Alzheimer’s Disease Neuroimaging Initiative

Core Q&As

All Cores Q&As

Is there a way to access ZIP codes, or RUCA, RUCC codes and merge with ADNIMERGE data to analyze rural urban based questions?
05/06/25

Dear ADNI Biostatistics/Data Core, I am currently working with structural MRI data from the ADNI study and would like to access regional brain volume statistics generated u...
05/05/25

Dear ADNI Team, I noticed that your documentation states the data collected from subjects is de-identified. Could you please clarify if this means the data is fully anonymi...
05/04/25

Hi! I would like to view the 3-plane T2* FGRE images for some participants in the ADNI 1 dataset. However, when I click the “View” button, the images do not display. Is t...
05/01/25

I am conducting research on multimodal data fusion for deep learning-based AD diagnosis, and I have a model trained on an image sample which contains scans from visits "ADNI S...
04/25/25

I'm unable to find T1 and T2 weighted image in fMRI dataset filters. Please guide me for the same. Moreover, is the MRI data with T1 and T2 weighted images also works for fMRI...
04/24/25

Dear experts, I am now learning how to search for files in the ADNI database, and I have found the Definition of DXCHANGE Term in Data Dictionary Search:1. Which best describe...
04/21/25

Dear expert, I am currently studying the ADNI database. I found the DXCHANGE code in the Data Dictionary Search, but after downloading the Diagnostic Summary, I couldn't locat...
04/19/25

Dear ADNI MRI Team, My name is Priyanka Mangi, a research scholar at Atmiya University. I am conducting a research project focused on AI-driven predictive analytics for Alz...
04/16/25

Dear Experts, I am hoping to ask whether, in the dataset ADNIMERGE (downloaded from IDA in April, 2024), the variable "PTAU" indicates CSF p-Tau181 measurements. I was not abl...
04/14/25

How can we get the NIFTI files of MRI images of CN, MCI and AD subjects instead of DICOM files. Actually, i am using SPM toolbox to preprocess the MRI images. The toolbox is g...
04/10/25

Hello Experts, I have submitted my manuscript through the IDA portal for DPC review over three weeks ago but have not received a response. I hoped to check with you if there a...
04/03/25

Hello, is there an alternative way of contacting "EDRAKE@BWH.HARVARD.EDU"? It has been almost 3 weeks since submitting my manuscript, and I have not received communication. I ...
04/03/25

Hello, I have a question regarding the RAVLT_perc_forgetting variable. In the master ADNIMERGE file, I am seeing values ranging from -1650 to 100 for RAVLT_perc_forgetting. Ba...
04/02/25

Hello, I am looking at the Freesurfer 7 data from the study files, specfically the UCSFFSX7 dataset. Could you tell me what ST10CV corresponds to? It says Icv but I want to co...
03/24/25

Hello! In the ADNI study files section, I noticed that there are multiple CSV files corresponding to different FreeSurfer versions. Is there any CSV file that contains data ex...
03/21/25

I am currently working with the ADNI dataset and have noticed that the age at inclusion ("age_bl") is missing for the subject sub-ADNI053S6598. Given the importance of this in...
03/21/25

In my R dataset, there is a column named VISCODE, which has values in the format (m0, m6, m12, etc.), even for data related to ADNI2. Does this column represent VISCODE2? How ...
03/16/25

Dear ADNI Experts, I am working on a project using VGG and MobileNet for Alzheimer's classification. Since these models require 2D inputs, I need to extract the most releva...
03/15/25

I have submitted my manuscript through the IDA account for DPC review but still have not received any response. As it has now been over two weeks, I wanted to check if there a...
03/13/25

Dear experts, I have been trying to obtain the ADNI-2, ADNI-3 and ADNI-4 baseline for new patients, but my Advanced Search outputs no results at all. I have only been able to ...
03/12/25

Hello, Please let me know that how can I add collaborators after getting approval from ADNI?
03/10/25

How long does it take for a patient to be in the MRI machine?
03/08/25

Dear ADNI experts, I have downloaded ADNI1 pre-processed (Co-registered and averaged) FDG PET studies. Image values are in the order of magnitude of 1e-4 (with RescaleSlope al...
03/07/25

Could you please let me know if/how investigators can report secondary health findings, in case there is any?
03/06/25

Hello, I have downloaded images for a cohort that I made using ARC builder. I have chosen file names ‘Axial_rsfMRI__Eyes_Open_’ and ‘Axial_rsfMRI__EYES_OPEN_’ for my r...
03/05/25

Dear Experts I found there are 'VISCODE' and 'VISCODE2' for some study files (for example the DXSUM file, ADVERSE file etc). When i looked at their meaning in the data dictio...
02/26/25

Is there a standard for the time interval of collection between the PET data and the resting-state fMRI data? I'd like to know the range of intervals between when the (specifi...
02/23/25

Is there a way to access the ADNI neuropathology and biomarker data through NIAGADs or NACC or should we file a DUA specific for ADNI to access this information?
02/21/25

As is well known, changes in the ratio of 3R TAU protein to 4R TAU protein in the brain of patients can lead to different neurodegenerative diseases. An important pathological...
02/12/25

Dear Experts, My name is Bence and i'm working with the ADNI3 database, especially the DTI images. I do all the postprocessing methods, and finally do a TBSS, segmented 50 w...
02/01/25

Hi, I am Malek, I am working on the dataset of "ADNIMERGE 20 Jan 2025.csv". I need the death subjects death date before developing dementia. is it possible I can get these inf...
01/21/25

I have been unable to contact the DPC coordinator via email, although I emailed several times. I need to submit a paper for approval before publication, but my IDA account has...
01/20/25

I tried using the provided link in the answer to my previous question, but the page doesn't load properly. Thank you for the clarification! A follow up question, would it...
01/17/25

I would like to know where can I find the clinical reads for the MRI scans. On the ADNI - MRI website it mentions that "Every participant scan undergoes a local clinical read ...
01/17/25

Our team has been granted access and we downloaded a few databases, such as the ADNI 1 - Annual 2 yr 3T. We wanted to inquire about the availability of clinical data for the...
01/16/25

Hi. How can I apply gradient unwarp to the dMRI imaging. Do you have the coefficient file of the scanners? Besides, could you tell me how can I acquire the metadata of dMRI ...
01/12/25

Hi, Thank you for your kind reply to my previous question. You mentioned: "The slice and gradient info are in the DICOM metadata, which can be read using many programs, su...
12/20/24

Hi, I hope this email finds you well. I have two related questions, and I would greatly appreciate your help. The Axial DTI data I downloaded comes in a zip file contain...
12/19/24

I am currently analyzing the ADNI dataset, specifically the "diagnostic summary" section. However, I noticed that the DXCHANGE notation has been removed in the recent update. ...
12/13/24

Hello, when downloading the MRI scans I have noticed some scans with different naming conventions; P2, No angle, no angle =, ADNI SH. Please could you clarify what these diffe...
11/25/24

I have not been able to find a technical manual for how the PET acquisitions are standardized after the ADNI3 2016 manual. I am interested to know which standardized reconstru...
11/20/24

Dear experts, I hope this email finds you well. I wanted to check if it’s possible to request MRI data in DICOM format, specifically T1-weighted and T2-weighted images, ...
11/12/24

I wonder where to find the reference document on how ADNI symptomatic AD, presymptomatic AD, and CO were defined based on the neuropathology. thanks!
11/07/24

Hi there, This is Xin Wang, an SRA at UCSD. I am able to access the ADNI neuropathological data which is from version 10 and 11. but I am also very interested in the variable...
10/31/24

problem to download mri image dataset for AD
10/30/24

Will ADNIMERGE be updated to include ADNI4 data in the future?
10/29/24

Where to find the the Study Files records of body height and body mass index (BMI)? I struggle to locate it. I found only body weight records. Sincerely, Rene Labounek
10/29/24

Hello, iam Tejaswi kajuboju, Phd scholar,National Institute of Technology, Warangal(NITW). MY PROFILE on LONI IS, Project Accesses: ADNI- Guest (Project-Wide). Iam troublin...
10/29/24

Hi there, I've downloaded around ~150 fMRI sequences that only appear to have 1 .dcm file, instead of the 1000s expected. For example, /ADNI 5/006_S_4485/Axial_fcMRI__EYES_O...
10/23/24

how can i find SCD data? i am looking for subjective cognitive decline but i cant find it on the website?
10/19/24

Hi, I want to ask you about the difference between AV45 Coreg, Avg, Std Img and Vox Siz, Uniform 6mm Res and AV45 Coreg, Avg, Std Img and Vox Siz, Uniform Resolution. What's ...
10/15/24

we are working on the early detection of amyloid plaques for Alzheimer's disease classification, i need the perfect real time data of the MRI and PET scans for training the mo...
10/15/24

Hello, when I create new collections, the data are added in DCM format and not Nifti and I didn't see the option to add as NIFTI at anywhere on the page. Even when I download,...
10/14/24

Hello, I was wondering if the images in ADNI are those typically collected in standard clinical care or if they are from research projects (so may be more detailed sequence...
10/09/24

Dear IDA study group, I am writing to ask if you could kindly provide any assistance regarding the "FNIH Biomarkers Consortium CSF Proteomics Project dataset" (Version: 2019-...
10/08/24

Hi, I want to find Genotyping result about ADNI 4. Is there any result about it? I can not find result in ARC builder
10/08/24

I am searching for dxsum_pdxconv_adniall.csv file but couldn't find it i also checked the diagnosis summary it doesnt have column like DXCHANGE,DXCURREN,DXCONV ,etc if pos...
10/01/24

Dear ADNI Experts I just started using the dataset, I saw from discussion of the Ask The Experts section that there is a data codebook DATADIC.csv. Can you tell me where can ...
09/30/24

I am selecting a CU, MCI, AD cohort with available CSF and blood. I can base the selection on Clinical diagnosis (MMSE and global CDR) and CSF Ab and Tau levels. Ideally I wan...
09/30/24

I have submitted my manuscript through IDA account for DPC reveiw but still did not received any response. I would like to ask to let me know about the update of reveiw on the...
09/27/24

Downloaded the ADNI_MRI dataset , the one containing images . How do i know the classification of those images . Because there is no any data in the zip file about images when...
09/26/24

Is there any method to get the subjects who have progressed from MCI to AD. Also need subjects which didn't progress to AD. How to download MRI images corresponding to both?
09/23/24

Greetings, I have access to the ADNI website and aim to download PET and MRI images for distinct disease groups concurrently. Nevertheless, I've encountered an issue where the...
09/11/24

I'm trying to load a multi shell (b=0,500,1000,2000) diffusion sequence based on the ADNI4 protocol on our Siemens Skyra VE11C and I can't locate the appropriate diffusion dir...
09/09/24

I find that the adnimerge maybe lose some data ,such as"136_S_4956" this subject, whose phase is ADNI2.I can get its imaging or diagnosis,but I can't find its data in the adni...
09/07/24

I see that there are mass spectrometry (proteomics) data available. How do I download those? I have access to LONI ADNI but I do not see that cohort anywhere. Any help would b...
09/06/24

To, The Director, ADNI Subject: Request for the access of set of MRI and PET brain scans of a single subject Dear Sir/Madam, I hope this letter finds you well. M...
09/03/24

Dear expert I want to ask is there any recommendation for what slice from the .dcm file i can take to convert it to an image. I want to train the image instead of the whole s...
09/03/24

Can I use data from FMRI, SMRI, PET, CSFT tau, CSFP tau modalities to fuse information from a subject? How can I search for the results I want? Can you recommend using Origina...
08/31/24

Hello, my research group is interested in downloading and processing the GE 3D pCASL images. It is my understanding that the M0 is available for these images, but we are not s...
08/30/24

Hi, My understanding is that if a ADNI participant has amyloid PET AV45 data available, it should have a MRI scan available (don't have to be concurrently). However, we...
08/26/24

I have a few questions that came up while downloading data from LONI. Is it correct that ADNI4 data does not include .xml files for the images? Also, it seems that information...
08/26/24

My name is Samuel Pinto, and I am an International High Scholol student conducting research for my Biology Internal Assessment. I am conducting a study entitled “Comparison ...
08/24/24

how can i study details about new features included in New ADNI4? can you share any document
08/24/24

Is there any option to get the selected type of files? that is I need nifti images, not dicom. how to do that
08/22/24

Estimado equipo de ADNI, Mi nombre es Samuel Pinto, y soy un estudiante de Bachillerato Internacional que está llevando a cabo una investigación para mi Evaluación Inte...
08/22/24

Can you please confirm that AV45 in the ADNIMERGE data set was derived from an MRI-dependent process? In other words, these participants should all have MRI scans at the time ...
08/20/24

Dear admin, I have a question regarding to ethical permit information when using the ADNI dataset? Do I have to provide it when submitting a paper to a journal? And where ca...
07/24/24

I am looking for the surgery type information of the participants, which is \"IHDESC\" in the table of Initial Health Assessment according to the Data Dictionary. However, thi...
07/23/24

I cannot find the HbA1c data column in the ADNI dataset. The paper titled 'A Blood-Based Screening Tool for Alzheimer's Disease That Spans Serum and Plasma: Findings from TARC...
07/23/24

I read from ADNI3 PET imaging protocol that you collect venous blood samples throughout scan for generating venous input function, but I couldnâ€™t locate where this data...
07/18/24

Hello I got access to ADNI dataset and published two papers so far. One of my colleagues is working with same my supervisor and he wants to use the dataset. Does he want to su...
07/09/24

Good afternoon, I am doing my data use application, I am a PhD student from Autonomous University of Puebla (BUAP) but a do not have an IRB number, is there any alternative fo...
07/01/24

I realized that a single site can have multiple locations, and I can use the subject ID to easily identify the site. However, I'm unsure how to differentiate between various l...
06/19/24

Dear ADNI Data Sharing and Publication Comittee, Based on my understanding, I need to upload the manuscript in the update page, and send it via email before submitting it t...
06/13/24

Dear expert, I would like to thank you for providing the database, i am currently working on a research for detecting the signs of AD using MRI scan and cognitive test resul...
05/30/24

Hello, Hope this email finds you well. I am writing to ask the difference between the 'Coreg, Avg, Std Img and Vox Siz, Uniform 6mm Res <- 30 min 3D FDG - Iter(Brain M...
05/22/24

When submitting my manuscript using ADNI data to the journal, I was asked to provide the email address of the ADNI group contact who can verify the authorship. Which email add...
05/21/24

Thanks for your help earlier with guiding me through downloading the UC Berkeley tables. You mentioned a data dictionary being available with the UC Berkeley header in front o...
05/21/24

Hello, I emailed a couple days ago about a question on how to access tau PET and amyloid PET data for the patients in ADNI database. I was told that this information could be ...
05/21/24

Hi, I have finished a manuscript using the ADNI database and want to submit it to ADD journal. The journal would like to include ADNI as an author and ask a e-mail to be a mem...
05/21/24

Hello, I'm currently working on a research project using the ADNI dataset and the variables of interest are PET Tau (both in the mediotemporal and neocortex) and PET amyloid....
05/16/24

According to the ADNI3 program manual Version 3.0 stipulates that member (PTID) in genetic GWAS data is displayed as a 3-digit site number, a single character identifier, foll...
05/09/24

When I merge the GWAS data of ADNI1, ADNI2 and ADNI3, I want to merge the above three data sets into one. I'm looking at the ADNI3 Procedures Manual Version 3.0, foundFor ins...
05/08/24

Hi, I have a question about lodging an ADNI data application. I am an undergraduate student working on their honours research project and want to apply for ADNI data access b...
05/01/24

Hello, I noticed that the previous indication is 'You can extract the baseline diagnosis from LONI Download Study Data >> Diagnosis >> Diagnosis Summary [ADNI1, GO, 2] (DXSUM_...
04/29/24

Dear MRI Core, We are running a study doing analyses on cortical surface stats from datasets of different AD cohorts. We would like to include ADNI in this. For this, we wo...
04/25/24

Hey, For fMRI there are different protocols (namely, description) e.g.: Resting_State_fMRI, Extended_Resting_State_fMRI AXIAL_RS_fMRI__EYES_OPEN_, Axial_rsFMRI_Eyes_Open an...
04/24/24

I need clarification . There are multiple MRI records and sometimes fMRI records for each individual. I need the earliest fMRI record and one MRI record which is closet in tim...
04/22/24

Dear ADNI data providers, I hope this email finds you well. My name is Behnaz Jafari, and I am a PhD student in biomedical engineering at the university of Calgary. I am condu...
04/22/24

With the ADNI3 Neuropsychological assessment data, do you know if normative scores are available? For example, this would be the Heaton or MOANS demographically corrected norm...
04/11/24

I have a question regarding the ADNI Neuropsych assessment data. Do you know if normed (adjusted for age, sex, education etc.) or summary/total scores are available? I see on ...
04/10/24

Hi, I am wondering if each participant's full medication list is available? From what I can tell, this info would be included in the variable CMMED but may be redacted from th...
04/09/24

Hello! Is there a file or a way to see the abbreviations and values meaning for each dataset. I am only looking for datasets on diagnosis, clinical and neurpsychological data....
04/08/24

Hello, I am currently working with the CN DWI data of ADNI3 and require the EPI as well as echo spacing values of the DWI images for data pre-processing. The data I am using ...
03/26/24

Hello, together with my co-authors, we have used the ADNI dataset in our study. We are planning to submit it for consideration for publication in a conference proceeding (http...
03/21/24

Hi, We've drafted a paper using and acknowledging the use of ADNI data, and we've been trying to get the paper approved. However, no one has responded to our emails thus far....
03/20/24

I downloaded post-processed ADMC Duke p180 FIA and P180 UPLC (file ADMCDUKEP180FIA.LEVEL5 and ADMCDUKEP180UPLC.LEVEL5), however, I didn't find the dictionary for these two fil...
03/18/24

I downloaded the ADNI genetic data to do GWAS research, I get the data in plink format where I was able to get the three files of .bed, .bim and .fam, however as the fam file ...
03/13/24

How can I obtain slice order of resting-state fMRI data, especially for those scanned in Philips MRI scanner?
03/05/24

Does ADNI have or know of a GWAS database that distinguishes individuals who have Amyloid-B plaque buildup and Alzheimer's disease vs those who have Amyloid-B plaque buildup b...
02/14/24

Is the neuropsychological data provided by the ADNI study raw data or has it been normed into scaled and T-scores, etc.? Also, what norms can be used regarding the measure, "C...
02/08/24

For the methylation data, Vasanthakumar et al., 2020 indicated that blood cell composition could be substantially affect methylation differences between individuals and theref...
02/05/24

Hi, In ADSP_PHC_T1-FS_Dec 2023 there are 700 cases with 2 or more MRIs on the same visit. RID#416 has 4 MRIs on the baseline visit on 04/20/2006, all by SIEMENS 1.5T. Could ...
02/01/24

Hi, We are interested in using the ADNI-Mem composite score in a future study. Having found the complicated derivation of it using STATA, we would like a mathematical equati...
01/24/24

Dear ADNI Experts, Could you please explain the difference between 'Research Group' in the advanced search results and 'DX_bl' in the ADNIMERGE csv file? I assumed they wer...
01/12/24

Hi ADNI experts, I'm interested in SNP rs2230288, which is a common SNP for some neurodegenerative disorders. The allele info is available in ADNI3 but not in ADNI1 and ADNI2/...
01/10/24

Hi, I am wondering if there is some explanations for the descriptions for fMRI data. I know all of them are resting state fMRI but not sure if any significant difference exist...
11/01/23

I have been inquiring about the possibility of accessing non-north-American WW-ADNI data. We understand that such data are not available on ida.loni.usc.edu; is there any othe...
10/31/23

Greetings. I have accessed ADNI-DIAN comparison study data from ADNI website. But there are alot of missing values in data. Do you have preprocessed data of ADNI-DIAN comparis...
10/22/23

Hello, I would like to check how a specific genetic polymmorphism relates with tau pet burden. I have a collaborator with access to ADNI and that would perform the analysi...
09/27/23

I would like to check how a specific genetic polymorphism correlates with tau pet burden. From the website I understand that only ADNI3 has tau pet data. Does this cohort also...
09/27/23

The DX_bl variable in ADNIMERGE provides the screening diagnosis for ADNI subjects; however, this dataset excludes subjects who were screened out. Is there a table that gives ...
09/18/23

Id like to know if there is availability of any data regarding regional location of the patients, Id like to make an analysis on amyloid deposits and air pollution. The id...
09/13/23

Hello I want to work onÂ early diagnosis ofÂ Alzheimer's disease by using imaging such as diffusion kurtosis imaging(DKI) andÂ neurite orientation dispersion and densit...
02/04/23

May I know whether theADNI have data regarding the air pollution exposure of the subjects. Also, please let me know whether you have data of seropositivity to Cytomegalo V...
02/02/23

Hello, I've downloaded the microarray data from https://ida.loni.usc.edu/pages/access/geneticData.jsp#207 and can't find a way to match the microarray column names (subject ID...
01/30/23

Hello, I am looking to pull a specific SNP (rs2233154) from the GWAS data and match the carrier status to the curated cohort of patients. I used PLINK 1.9 to analyze the .bed ...
01/19/23

Is there any table where we can get the most recent laboratory data? I see that LABDATA table was last updated in 2013
12/04/22

May I know how is DX_BL decided? I understand that there are plenty of factors based on which the stage of Alzheimer is decided. I wanted to know if there's any list of specif...
12/04/22

Can you point out where to find the sequence information of MRI, and DTI for ADNI2/GO such as TE/TR, TI, and flip angle? I checked https://adni.loni.usc.edu/methods/documents/...
12/03/22

Dear ADNI MRI expert, Iâ€™m looking for data on the number and location of cerebral micro bleeds. On the ADNI website (Data types -> MRI IMAGE), I could find that the M...
11/28/22

What is the difference between Participant Roster ID and Record ID? Can I say that Participant Roster ID like an actual ID dedicated to all the patients who participated in th...
11/27/22

what does UCSF Hippocampus at baseline represent? And what is the unit of this column? It's observed that the value ranges from 4000 to 7000
11/27/22

How to obtain details of subjects with MRI for MCI patients and MCI converted to AD
11/03/22

I am trying to download MRI data from ADNI database. I would like to develop a deep learning classifier for early diagnosis of AD. For subjects in the MCI group, I wonder if y...
10/12/22

Hello ADNI experts. I am working with ADNI data longitudinally and I would like to receive advice regarding how to better estimate the dates of different assessments. I wanted...
10/11/22

Dear Madam/Sir, I'm a postdoc from Max Planck Institute for Human development. I'm writing the email to ask do you know if there is an overview of the design of the fMRI tasks...
10/05/22

Good day I was planning to do cross sectional MRI imaging analysis on ADNI 3 baseline patients and would like to ask how I could excract cognitive assesment data. I tried to...
09/15/22

Hello! I've got the WGS SNP data (i.e. GWAS type data) and I've been trying to match it to my phenotype information. I used the PTID from the roster file to make my IID and us...
09/12/22

Hi ADNI Experts, I am trying to download DICOM images from the MB-DTI ADNI3 dataset so I can convert using dcm2nii to get the b-val/b-vec files. However, when I download the ...
09/07/22

Can we separate MCI group in adni3 data further into EMCI and LMCI by ourselves based on the same criteria for adni2?
09/03/22

In ADNI protocol, the EXCLUSION CRITERIA include clinically significant abnormalities in TFTs (Thyroid Function Tests) that might interfere with the study. Could you provide d...
08/31/22

Dear editors, On Aug 17, we contacted DPC in two ways (web+email) to review my manuscirpt. So far no feedback. The two-week deadline is approaching but we still have...
08/30/22

Dear MRI Core Experts: I am planning to adapt ADNI3 MR protocols on our SIEMENS 3T Prisma Scanner. I am wondering where I can download the diffusion gradient table of protocol...
08/23/22

Dear MRI core, I am working with FreeSurfer version 4.3. Here I noticed that some participants were twice included. Is the reason that after the ADNI 1 protocol there was a MP...
07/26/22

Hello experts, I am working on ADNI fMRI data and using the "MAYOADIRL_MRI_FMRI_NFQ_05_09_22.csv" spreadsheet to find out the slice timing as suggested in previous posts. ...
07/17/22

Dear DPC committee, My name is Denis Bilotta and with the Nucleus Global team we are supporting a list of authors in their preparation of a manuscript due to be submitted t...
07/13/22

Dear Experts, I am trying to locate GFAP measures in the "Biospecimen Results" but I'm not sure which CSV file contains that data. Would you happen to know which CSV file I ...
06/29/22

Hi Experts, I want to apply to access the ADNI data for research purposes. I want to find out how many details in the proposed analysis I should include? Are there any spe...
06/23/22

Hi, I downloaded the ADNIMERGE.csv, and have a question on the ADNI1 dataset. Why is the age column constant for a particular patient ? For example, corresponding to RID = 4, ...
06/08/22

Greetings, We are unable to exactly reproduce the hippocampal volumes reported by ADNI using FreeSurfer for ADNI3 subjects. We are trying to understand the cause of these dis...
06/06/22

Dear ADNI data experts, I was trying to use the ADNI MRI analysis result, so I went to IDA.LONI to download the UCSF - Cross-Sectional FreeSurfer (FreeSurfer Version 4.3) ...
06/02/22

Does the siteID of the sample represent the imaging center of the structural MRI? If not, then how do I know the imaging center corresponding to the MRI data?
04/13/22

I wanted to know how to correctly interpret the data from the excel spreadsheets and which ones belong to amyloid and tau.
03/09/22

I would like to use the ADNI MRI images for my research project. I have been facing an issue in terms of downloading any image data from ADNI. My user account is currently act...
03/03/22

Hello. How do I determine the individuals officially enrolled in ADNI-2, ADNI-GO , and ADNI-3? Thank you
02/20/22

Dear ADNI We are research student at Technical University of Berlin and McGill University working on a project relevant to Brain Imaging. We would like to ask you to please i...
02/01/22

Iâ€™m interested in using etiological diagnosis with machine learning algorithms and would like some clarification on the acronyms DXMOTHET and DXODES, what exactly do th...
01/26/22

Where can I find out more detailed protocol information regarding ADNI2? E.g.: GE scanned subjects have inversion time and flip angle listed, what about repetition time?
01/24/22

Dear ADNI, first I would like to thank you for your work and effort. I hope I am contacting the correct core with my question - if my following question was already asked bef...
01/10/22

Where is the scanner manufacturer information for each subject in ADNI3?
01/06/22

I am facing issue in getting the data T1-weighted structural MR images (1.5 T, MP-RAGE sequence) , after a follow-up period of 18 months For each patient, which Includes AD , ...
12/30/21

I have a questions about the codes of 1,2,...,20 for education in demographic table. how can I get more information about these codes?
11/29/21

Does the data include information about physical activity or exercise?
11/29/21

Respected sir, I want to do my research in this area and i have applied for access to the data. How do i relate csv files with image data?
11/22/21

How patient ids are assigned for example 116_S_1232 and how can i get mmse score for this one
11/19/21

The ADNIMERGE composite table seems to be smaller than it was only a few months ago. Is that file supposed to be continually growing or is there a reason why it would contain...
09/21/21

Sir, I have used only structural data (T1MPRAGE) from ADNI2 for my study whis not related to Alzhimers.Is it necessary to include long acknowledment provided by you in websit...
08/16/21

Hello, I want to know if there are only 817 participants in ADNI1 with scan-period or baseline images? Why do I see other people using more participant data in some papers? I...
08/03/21

I am trying to locate phenotype files with glucose and insulin at baseline. Could you please help locate these data? Thank you,
03/26/21

Hello, Is there anyway I can directly download FreeSurfer analyses from the database? Or do I have to download the scans and conduct FreeSurfer analysis on my computer locall...
03/05/21

Hello, I was wondering where I can find the APOE genotype of the ADNI database ? Thank you for your help Best, AÃ¯da
12/15/20

Hello, where can i find an overview table of the PET scanner + recon-method per subject or site? thank you
12/14/20

Hello, I am performing voxel-based morphometry on the ADNI3 dataset. Am I able to lump subjects with IR-FSPGR T1's with those with MPRAGE T1's in my analysis? Or are the seque...
12/11/20

Hello, I came across these biological attributes (Ventricles_bl, Hippocampus_bl, WholeBrain, etc) in the ADNIMERGE file that were integers and could not find the units of meas...
12/06/20

Is DWI data for AD patients available ? if yes, how to search for it?
11/25/20

Hi, News said ADNI GO & 2 ApoE Genotypes ped and fam files were available. Do you know where I can download?
11/20/20

Hi, I am performing EPI correction for DTI data. Since only PA scan was provided and no reverse phase scan was given for EPI correction. I was looking for another method to do...
11/19/20

Hi ADNI team, I am interested in using quality controlled DTI images (Preprocessed) and I could successfully download the images. Could you tell me how I can query the b-t...
11/17/20

Dear experts, How "final" does a manuscript need to be to submit to ADNI's DPC for review? For example, if I modify a component of a figure or the results section that is e...
11/09/20

How long does the DPC approval take during the COVID pandemic? On Oct 17, we contacted DFC in two ways (web+email). So far no feedback. 1. We submitted our manuscript ...
10/28/20

I would like to map DTI image with T1w image, For that which DTI image and T1w image should I download from ADNI? Is it ok, if I download the AXIAL DTI and T1w of the same sub...
10/22/20

Dear Sir/madam We have a manuscript almost ready for publication based on ADNI data. Is there any formality we need to accomplish with ADNI in order to submit this artic...
10/22/20

How does VISNAME correspond to VISCODE in ADNI3 stage? specifically: ADNI3 Initial Visit-Continuing Pt ADNI3 Year 1 Visit ADNI3 Year 2 Visit ADNI3 Year 3 Visit ADNI3 Year...
10/20/20

I am interested in participants' pulse/heart rate recordings (e.g. via oximetry during fMRI scans), and wondered if these are available? Thank you
10/12/20

Hi, For ADNI3, I understand two diffusion data are provided, one is basic with single b=0 shell and another one with multiple shells. Are they both named as 'Axial DTI'? I...
10/06/20

I am wondering how NAs are treated in the SNP data? For analyses where NAs are too cumbersome, is HapMap imputation utilized or something else? I plan on applying component an...
10/06/20

Aim of this email is to understand where the following variables are stored in LONI-ADNI website: - MTA (medial temporal atrophy â€“ Scheltensâ€™ scale) - PA (post...
10/05/20

Hello, I'm working with the ADNI fMRI data. I noticed that some of the scans are labelled Axial_fcMRI_0_angle_(EYES_OPEN). I was wondering what the 0_angle piece meant and ...
09/30/20

I was referring to a few published articles and found that ADNI has contributed 441(268 cases and 171 controls), to the ADGC study. Is it possible to get the IDs of these 441 ...
09/29/20

Dear ADNI stat support, Could you please advise which file contains AV1451 scan total SUVr scores like the SUMMARYSUVR_WHOLECEREBNORM column in UCBERKELEYAV45_05_12_20.csv ...
09/14/20

How can I identify the patients who converted to AD from MCI? I know that I need to use the Diagnostic Summary table available in the Data Archive. What I would like to know i...
09/06/20

Hello. Hope you are well. I would like to test FreeSurfer's partial volume correction tool on the ADNI3 PET data (AV45,AV1451, FBB). The tool requires a '--psf FWHM' input ...
09/03/20

Dear Sir/Madam My name is Thomas Rowe, I am a PhD student and currently conducting a systematic review. This review includes many studies which use the ADNI data set. One of ...
09/03/20

May I ask what is the phase encode direction of the DTI scanner for all the sites? AP or PA. For this kind of information, is there a link or file I can download to learn the ...
08/27/20

Hi, I am working with some data, and I found out that some of our snps Id is in "kgp" format. (For example: kgp6703048). How do I convert this id format into an rs snp id? ...
08/26/20

Can ADNI data be merged with Medicare claims data?
08/12/20

Why are structural MRI much more common than fMRI? I noticed that several encounters have MRI but not fMRI available.
08/07/20

How do I know how many time points and how many slices does a subject image set include? Let's take the case of resting state images of a specific subject encounter. So far, ...
08/03/20

Dear ADNI expert, I have a couple of scans for the same subjects; one is an MRI T1w, and the other is a DTI scan. I noticed that the T1 scan is absolutely closer to the MNI s...
08/02/20

I read here methods/mri-tool/mri-pre-processing/ that pre-processing is not needed for MRI images. Is this true also for fMRI images? Do I need to perform any of unwrap, resli...
07/27/20

What is the normative data used for Logical Memory - Greg Fortune Story?
07/21/20

What refocusing flip train was used for the dual-echo FSE sequence by GE scanners in the ADNI-1 study? I cannot find the protocol sheet for GE scanners.
07/07/20

What is the TR of a fMRI image
07/03/20

Dear professor, I used the SNP ID in the ADNI 1 GWAS and the SNP ID in the APOE gene (about 1000) to find duplicate values. The repeated part is only about sixty, why not all?...
06/20/20

We are currently building and validating an ADNI FDG-PET subset of well-characterized healthy controls, it can be used as standard reference for our in-house developed single-...
06/18/20

I was wondering where/how can I access the ADNI3 CRFs. I couldnâ€™t locate them under the ADNI website. I hope I am not missing anything obvious, while accessing the webs...
06/10/20

Hi, for ADNI WGS VCFs, it has been mentioned that GATK VQSR (VariantRecalibrator + ApplyVQSR) variant QC steps were used. Can you please tell me how these were applied? For in...
06/04/20

Dear Genetics Core, A few days ago, I sent you a query re: a few questions I had. However, I still have not received any responses re: my specific questions. Could you plea...
06/02/20

Dear ADNI: I am planning a study using ADNI DNA methylation data. I am specifically interested in looking at the relationship between DNA methylation age in relation to MCI...
05/31/20

My colleagues and I are attempting to summarize information for subjects within the ADNI database and we have encountered some issues when trying to merge information from di...
05/31/20

Dear expert: In ADNI3, when l search fmri data, l found that some describtion is MB rsFMRI. Can you tell me what`s the reation batween them. Thanks a lot.
05/20/20

The slice timing is missing in all Philips scanner, and some Simens skyra scanner. Even these subjects have slice timing information, itâ€™s inconsistent, for example, a...
05/11/20

Hello! First, thanks for your time and for the database! I have a couple of questions about the images found in the ADNI database. First and foremost, I have been looking...
05/04/20

Hello- I am interested in several biospecimen results specifically for ADNI3, but outside of the 'UPENN CSF Biomarkers' there are very few available on the IDA database. Is...
04/28/20

How APOE genotype scores are distributed among the subjects? And what does APOE A1 and APOE A2 means?
04/26/20

I'm using the ADNI 1 GWAS data and I need to extract specific SNPs by their "rs" value under the variable SNP.Name. However, when I download the csv files into R the SNP Name...
04/16/20

Why do some of the categorical columns (i.e. DXMDES) in DXSUM_PDXCONV_ADNIALL.csv contain entries that contain ":" or "|"? How should they be interpreted?
03/30/20

Hello, for cardiovascular medical history (variable name "MH4CAD" ) in ADNI 1, 2, and Go, there were more than 65% of subjects were labeled as "Yes=1". This is quite differen...
03/06/20

I'm interested in using DNA methylation data, but the normalized and QC-ed data files seem unavailable. Can you let me know how to have access to those? Also if I end up using...
03/05/20

Hello, I want to use the cross-sectional FreeSurfer measurements from Adni 1, Go, 2 and 3. I have seen that these measurements can be found within the files UCSFFSX6_02_05_20....
03/05/20

Hello, Iâ€™m Seong-jin Son who is studying at the Centerfor Neuroscience Imaging Research in Korea. To check the demographic information of theparticipant in the ADNI...
02/25/20

Hi there, I hope you can help me. I am looking to analyse some 3D pCASL and 3D PASL data from ADNI-3. Ideally, I was hoping to use CBF maps which had already been generated, b...
02/24/20

What does it mean if, e.g. in the MMSE.csv file, there are two entries with the same RID & same EXAMDATE, but different USERDATE/VISCODE columns? Does it mean this data was no...
02/18/20

I am trying to create a machine learning data set from ADNI variables. The difficulty is knowing which variables are numeric and which are nominal. For example, PTEDUCAT seems...
02/14/20

Hi, I processed plink file of ADNIGO-2, noticing chr0-25, and dict says 1-22, X, Y, XY, MT. so chr23 is X and Chr24 is Y, is it right? However, when I sexcheck, it tells 167...
02/14/20

I downloaded the GWAS plink for ADNIGO-2. Want to merge APOE genotyping too. I noticed the news: New ADNI GO & 2 ApoE Genotypes are available in the Download section of the AD...
02/13/20

Thank you for all your work on ADNI. I would like to know what exactly does the parameter "PMFDGVOL" in the PETMETA table correspond to? Is this some sort of summary value o...
02/10/20

Is it possible to download the DTI images corrected for motion, eddy-current and echo-planar imaging (EPI) induced susceptibility artifacts? I've looked in the data archive an...
02/05/20

Hi, it looks like the RIDs ~6000s are missing in the ARM and DXSUM spreadsheets. Is there another spreadsheet to find their diagnosis (NL, MCI, AD)? Thank you.
01/30/20

How is APOE4 coded in the ADNIMERGE dataset? 0, 1 and 2 stand for what?
01/27/20

Hello. Is there PET data without attenuation correction available?
01/17/20

We are interested in investigating how TAU signal varies over the course of the 30 minute acquisition. To do so, I would like some assurance that the alphanumeric order that ...
01/09/20

Dear ADNI experts, I want to use the CBF value of the patients. And I found the \"UCSF - ASL Perfusion CBF by FreeSurfer ROI [ADNIGO,2]â€ file. In the file, there were th...
12/16/19

Dear experts, After looking at the REGISTRY file, I see that many participants went through screening without any indication of issues, but have no follow-up data - this incl...
11/21/19

Dear ADNI Team, For my research I used an old dataset called 'ADNI1:Complete 3Yr 1.5T'. But I can't find it at ida.loni.usc.edu under 'Other Shared Collections' anymore. What...
11/15/19

Hello. I am trying to do a longitudinal study using mild Alzheimer's Disease participants from the database. For all of the participants, that I have screened and decided to i...
11/11/19

Dear ADNI expert, I am using 'ADNI_GO_2' SNP database. Among the columns, 'Sample Index', 'Sample ID', 'GC Score', 'SNP Index', 'SNP Name', 'Allele1 - Top', 'Allele2 - Top', '...
11/10/19

Hi I'm a graduate student at Duke who are interested in Alzheimer's diagnosis and how we can improve the screening process. I have two questions. 1. Out of 800+ people of ADN...
10/30/19

Hi, In the 'DXSUM_PDXCONV_ADNIALL.csv' file column attribute 'Diagnosis', whether â€˜3=dementiaâ€™ is equivalent to '3=ADâ€™. In the 'ADNIMERGE.csv' file column...
10/23/19

where can i find the dicom header
10/22/19

Dear all, I tried to identify converter and their corresponding image and genetic data. I noticed I could find converter through diagnosis summary for ADNI1/2/go, but where ...
10/18/19

Hello, I am looking for a document that details the post-processing steps used for the analysis of AV1451 images. Would you please point me to the correct document? Thank yo...
10/15/19

I'm trying to draw FA and MD from the imaging data, so I need bval, and bvec files. When I tried to get them by converting DICOM files to nifty files using dcm2niix software, ...
10/09/19

Dear team, Good Day I am using MRI and PET images for ADNI for my research. I have trouble finding the MRI/PET images of the same subject under different categories. I ...
10/06/19

Dear ADNI expert, I am using ADNI_Gene_Expression_Profile.csv to conduct some experiments. I wish to obtain the pathway information for the gene in the file. But it requires m...
09/24/19

Hi, Among the subjects of ADNI were divided into AD, MCI, LMCI, EMCI, SMC, AD, and Patient. What does "Patient" mean?
09/05/19

1. I need to find out if previous TBI is a variable available in ADNI. How do I do this, or do you know the answer? 2. Can TBI be used as a search criteria to analyze data?...
09/03/19

I would like to know about PET description. when I download the csv files, there is a description about PET data and I can only understand FBB or AV45 but i cannot understand...
09/02/19

Dear Sir/Madam, I'm a postdoc at Western University, London, Ontario, Canada, My expertise is in neuroimaging. Recently I've started using ADNI database for my research pro...
08/29/19

Hiï¼ŒADNI, I will explain my questions with the following example: eg: In merged GATK vcf data of ID 141_S_4232, the ref is T, but there was three alt variants at chr3 119...
08/02/19

Dear ADNI, In CASAVA vcfs, what is the difference between GT 0/1 and 1/0? And whatâ€™s the meaning of MAXGT and POLY? Could you explain the two questions in details?
07/30/19

I noticed that there is no fieldmap images in the GE scans, however, it was said in the MRI protocol that fieldmaps were obtained from every subject. Is there a way to obtain...
07/19/19

Hello, During the ADNI steering committee meeting it was mentioned that the ADNI-2 genetic imputation data would be made available around mid-2019. Is this data currently ava...
06/19/19

Dear Experts,I want to analysis the rsfMRI from ADNI2,But I can't find the slice order records,could tou tell me the information of the slice order or could you tell me where...
06/18/19

Dear ADNI team, I am finding for a dataset that consists of the baseline concentration of cerebrospinal fluid (CSF) and plasma proteins and the plasma protein data was obtain...
06/12/19

Dear experts, I am analyzing the rsfMRI from ADNI2 and ADNI3. I am able to find the slice order records for ADNI2 data but not for ADNI3 data. The ADNI3 manual said it's "eve...
05/24/19

Dear ADNI Experts, Thank you for your response (dated 05/03/2019) to my previous questions to the PET core. I have a few more questions: 1. I am unable to find the un...
05/22/19

Dear ADNI Experts, I have sent a question several weeks ago and I have not heard back. I would like to get fasting insulin from ADNI. Could you please let me know where to fin...
05/16/19

Dear Experts. Disambiguation Request ~ re: "ASO" and "_ND". These two abbreviations appear in the field Series Description for many MRI acquisitions, but I cannot deduce t...
05/14/19

Dear expert, I am looking at the UPENNBIOMKADNIDIAN2017 file. I am confused because I can see no ABETA value <192 (which should be the threshold for the presence of the disea...
05/14/19

I'm a student from China, our group is working on a project, and there are a few questions I want to ask, first is that I downloaded the data from the website which are "DXSUM...
05/08/19

I am interested in ADNIâ€™s PIB SUV data. I found the following tables in ADNI with PIB information: 1. PIBMETA 2. PIBPETSUVR 3. PIBPETSUVR_DICT Questions: 1....
05/03/19

For 3D pASL by Siemens Skyra, may I know how many pairs of tag and control images should I expect?
04/09/19

Dear experts, I wonder if there is treatment information on the MCI/AD subjects? If yes, where can I find this information? Many thanks!
03/31/19

Dear ADNI team I couldn't find any pMCI (progressive MCI) data using IDA Search (Simple search and Advance Search). Please help us to get some pMCI data from ADNI datab...
03/23/19

I am trying to understand some of the under the hood image processing that went to create the set of PET images that we are interested in working with. I am specifically wonde...
03/13/19

I've downloaded the genetic data in ADNI1, only including the .PLINK format. I wonder why the number of subjects in .PLINK file is 757 but not 818 and which procedures it had ...
01/21/19

Do you use PET/MR combo scanner for some of your study participants?
01/17/19

I am new to the genetic data introduced by ADNI. I wanted to know how to extract the most-related SNPs to AD. Thanks in advance
12/04/18

Hello, I am trying to locate the csv's with ABETA (specifically aÎ²42) and TAU/PTAU biospecimen information for ADNI3 subjects, but was unable to find them on the IDA. Is th...
11/07/18

Hello, I've been trying to locate information about potential release dates for the ADNI3 CSF Biomarker analyses, but have been unsuccessful so far. Could you please point ...
11/01/18

Hello, I am trying to use the spss merge files and it appears that there is an issue with the code. I have tried rearranging it and looking else where online for a solution ...
07/19/18

I would like to know what is the difference between patient and volunteer in the research group. Thank you.
07/16/18

Hi, I am using ADNI2 data for a project and wondering what cut-offs you are using for CSF t-tau and CSF p-tau. CanÂ’t find these numbers (found CSF AB as 192 pg/ml altho...
06/29/18

Is there a way to determine current diagnostic at visit for an ADNI2/GO subject using only ADNIMERGE? The DX column is empty for a lot of those subjects so I was wondering i...
06/05/18

In the Diagnostic Summary [ADNI1,GO,2,3] database, only ADNI1 has DXCONTYP data. I was wondering if there are more DXCONTYP data for ADNIGO,2,3; if so, where could I find them...
05/24/18

What is the criteria for the MRISERIAL database and why is there a discrepancy between 1.5 and 3.0 MRI scan information (not all participant MRI are shown). Is there also a MR...
05/22/18

What does sc mean on VISCode and VISCode 2. On the MRISERIAL database, not all participant's scan is included in it (when comparing it to MRIMETA 1.5 T and 3.0 T MRI scan). I ...
05/22/18

How do I correlate participant from one dataset to the other. Is it the RID or ID?
05/22/18

Was handedness recorded for subjects ? If, so, where does it appear? ( second request )
05/17/18

I was wondering if 3D fast spin echo scans such as SPACE/VISTA/CUBE are being conducted in ADNI 3. Also, had they been collected in previous ADNIs? I see there are non-3D FSE...
05/17/18

Dear Sir or Madam, my name is Damiano Archetti and I am currently working with ADNIMERGE data.Is there any imaging volume biomarker processed using freesurfer v5.3 as well?...
05/15/18

Roughly how many patients in the total ADNI data set have had FDG-PET imaging?
05/03/18

Hello, Thank you very much for the incredible work that your team does with ADNI. My question relates to the APOE4 data in ADNI3. The majority of patients in ADNI3 do not s...
04/13/18

To whom it may concern, Thank you for your effort on ADNI. My question is about the pre-processed PET data. Was partial volume correction applied to the pre-processed PET ...
04/12/18

Hi, I was wondering in ADNI3, are the phase data available for T2star weighted data. Thank you very much.
04/11/18

Hi, I was wondering how I could get the raw ASL-MRI data of ADNI3? in contrast to ADNI2 and ADNIGO where the raw ASL measurements (100 volumes of Tag and control and M0) were...
04/11/18

Hello, I found the T1-weighted images acquired with GE and FSPGR serials weren't performed gradwrap. So can I merge the images with SPGR serials which were performed gradwarp...
04/11/18

Hi, may I know what is the phase encoding direction for Axial DTI for ADNI2 sequences? Thanks for your help in advance.
04/10/18

Hello, I have downloaded the dataset ADNI1/GO/2 WGS. However, I cannot find the diagnostic label. In the file "DXSUM_PDXCONV_ADNIALL.csv", there is only diagnostic labels for ...
04/08/18

Hello, I have downloaded the dataset ADNI1/GO/2 samples whole-genome sequenced, but I cannot find the diagnostic labels. Could you please let me know where I can find the diag...
04/08/18

Dear Support, is it possible to download the whole data dictionary, that is the dictionary exaplaining all the variables in the table headers of Study Data in ADNI? For sxa...
03/30/18

Hello sir/madam, What is the difference between pre and post processed MRI Imaging data?
03/28/18

Hi, I get an error message when using ADNIMERGE variable in R, even calling adnimerger() function to regenerate the data: > adni <- adnimerger() Error: `x` and `labels` must...
03/27/18

Hello, How do the subject ID labels in the Plink files for ADNI1/2/GO relate to the subject IDs (i.e., ID, RID) in the file 'DXSUM_PDXCONV_ANDIALL.csv'? These labels don't ma...
03/24/18

The data I have downloaded is ADNI1: Screening 1.5T (1075). The steps for downloading data are as follows: download-Image Collections-data collections-other shard collections-...
03/20/18

Dear, I'm doing some analysis with biomarkers, especially ABeta and Tau, but I just get a little confused with the various result files in "Study Data": for CSF biomarkers...
03/19/18

Dear, I'm doing some processing with MPRAGE and rs-fMRI modality images, however, I get a little confused with how to find slice scan order information in these iamges, the...
03/19/18

Dear expert, where can I find patients with diabetes? and are they distinguished by their type of diabetes in ADNI database? I cant find the abbreviation for diabetes in the A...
03/17/18

We are working with ADNI data. I am running into a few \"derived\" files. These seeM to be subsets of the \"raw\' data. So my question is: If I am looking for the \"raw\' dat...
03/12/18

How to download different data from mri, including: AD, MCI, HC. Downloaded data, how do I know how much data is AD, how much is MCI, and how much is NC.
03/09/18

Hello, I want to get three kinds of data: AD, MCI, NC. However, how can I get the three data of Alzheimer's disease (AD), mild cognitive impairment (MCI) and normal old age (N...
03/06/18

For the UCSF Cross-Sectional FreeSurfer (Version 4.3 and 5.1) datasets were the cortical thickness measurements for each region divided by the total intracranial volume ?
03/06/18

Dear ADNI experts, I would like to know if there is a difference between images identified as "Axial fcMRI (EYES OPEN)" and other resting-state images such as "Axial rsfMRI...
03/06/18

Hi ADNI experts, I see that in ADNI3 fieldmaps are recorded with Siemens and Phillips scanners. However I can't find fieldmaps from subjects recorded with GE scanners. A...
03/05/18

We recently downloaded a batch of ADNI 3 preprocessed MPRAGE images. I noticed that a couple subjects scanned on the Siemens Verio had two images on the IDA, one with MT1;N3m ...
02/28/18

I'm working with ADNI GWAS data, and I've discovered that these files use Illumina's kgp* format for naming SNPs rather than the rs* format used by NCBI. I'd like to find the ...
02/23/18

Dear ADNI Genetics Core, I have downloaded the "adni_mito_genomes.vcf" file and am trying to convert the file to PLINK format. However, my several tools (e.g., bcftools, PL...
02/20/18

I am trying to get Tau-levels of some 50 subjects, to correlate with other analyses that I have done. But on searching the files, I noticed that some subjects do not have any ...
02/20/18

In the adnimerge table, when COLPROT indicates ADNI3, the the only records that have a non-missing value for DX are those for which VISCODE equals "bl". Is this as intended? ...
02/19/18

In the adas_adnigo23 table, looking at Q4TASK and Q4SCORE, it appears that when PHASE equals "ADNI3", Q4SCORE equals the number of words CORRECTLY recalled in the ADAS delayed...
02/19/18

Question about ASL sequence done under ADNI2 (for Siemens 3T Skyra). Can you tell me the "Inversion Time" parameter? (I assume it is something like 1800msec). I downloaded...
02/19/18

What are the PhaseEncodingDirections of the DTI ANDI3 Basic Scans for the Bo values? Is it alternating A-P/P-A?
02/16/18

Is there an overall consensus on the amyloid status of ADNI participants. There is a tremendous amount of data from various centres, with 2 PET ligands and csf , but it seems ...
02/16/18

To whom it may concern, I'm having difficulty finding onset year of AD/MCI for subjects enrolled with an established diagnosis of AD or MCI at baseline. There are several v...
02/16/18

Dear experts, I would like to know where I can find the MRI scanner models involved in ADNI1 and ADNIGO/2. Cheers
02/15/18

What is meaning of baseline diagnosis? What is the difference between VISCODE and VISCODE2?
02/15/18

For ADNI-2 scans, how many channels should the dedicated head coil have?
02/13/18

Dear ADNI investigators, I would like to download baseline MRI preprocessed images from ADNI1 but I found two preprocessed versions of the same image, namely Scaled and Sca...
02/13/18

How do I determine the normal subjects in ADNI2? There is an FAQ answering eMCI but there is nothing that talks how to find normal subjects.
02/12/18

I just downloaded the first batch of multishell DTI images from ADNI 3. Are the bvals and bvecs for individual DWI stacks contained within the metadata of the .nii files? ...
01/25/18

I noticed that there are two type of fMRI images,fMRI and extended fMRI, i just get confused with that, could you please help me with what's the difference? thank you for your...
01/19/18

Hello, I have obtained the bam files for a number of samples for my project. However, I am struggling to find within them the discordant/partially mapped reads. Having look...
01/17/18

In the aliquot_list_10_21_16.csv file, does the PLA field refer to the current count of plasma aliquots in inventory or the original count? Thank you. Colette Blach
01/16/18

in the aliquot_list_10_21_16.csv, does the field pla refer to the initial count of containers or the current count in inventory? Thanks.
01/16/18

Hello, I am working with ADNI WGS data, which is supplied in aligned bam format. The headers of the bam files state a reference fasta of either 'HumanNCBI37_UCSC_XX.fa' or ...
01/10/18

Hello I am a Post-doc working on reduced penetrance of familial AD and FTD. We have interested to identify the modifiers of AD and FTD using reduced penetrance subjects. We...
01/03/18

I want to use ADNI-2 preprocessed image. Image descriptions include MPRAGE, MPRAGE GRAPPA2, MPRAGE NO ANGFLE,MPRAGE_ND and so on. there is so many description name. Does ev...
01/02/18

Hello, Please what is the definition of "isotropic image"? It is an output volume when searching for rsfmri and dti. Thanks
12/11/17

Dear Expert, for the key background medications file BACKMEDS under medical history, under the column KEYMED, why some values are like "4:05:06" but not one of the 7 specified...
12/08/17

Hi, Why are there labels like 'MCI to Dementia' (5 instances), 'MCI to NL' (2 instances), 'NL to MCI' (1 instances), 'Dementia to MCI' (1 instances) in the baseline visit?...
12/05/17

Hi, I would like to know what is the meaning of the labels located at ADNIMERGE and described below: MCI to Dementia NL to MCI MCI to NL ...
12/05/17

Hello, I was using the UPENNBIOMK_MASTER table and noticed there are some rows with the same RID and VISCODE, but different values of abeta, tau and ptau. Those rows have d...
12/04/17

Hi, I would like to have more information about how the laboratory data (table LABDATA.csv) were collected and measured. Thanks, Mariana
11/28/17

Hello, Is there a programmatic way to access the raw BAM data for ADNI? This is for the HLI (Human Longevity Inc.) team, ideally we would have access to this data availabl...
11/21/17

Hello. I have some questions while searching your database ADNI. What does that mean [APOE] and [TOMM40L] in 'ADNI_Gene_Expression_Profile.xlsx'. I want to know the exact...
11/20/17

dear Experts, I would like some animal's MRI data and genetic data, the ADNI have those data?Thank you!
11/17/17

Hello, Could you please advice how to combine GWAS data for ADNI1 (757 subjects) and ADNIGO/2 (432 subjects) before running QC? Thanks
11/16/17

It is possible to link an assessment scale (MMSE,ADAS, etc) result with DTI (diffusion tensor imaging) data for a patient? Or the dates between the time the DTI was done and t...
11/14/17

In ADNI 3, fieldmap scans on Philips sites seem to include two magnitude images and two phase images. I would like to convert the unit of these two phase images into those in ...
11/13/17

Dear experts, A simple question, I am trying to obtain age (gender, etc) versus brain volume measurements obtained from Freesurfer. I guess I\'ll need to obtain the Freesur...
11/12/17

Dear Sir and Madam My name is Tsuyoshi Hashimoto working as Radiologist in Japan. I have registered ADNI and I am using data from the LONI database. Looking at this databas...
11/09/17

I am a fellow at Childrens National Medical Center. Our lab is currently designing a project on Alzheimer's disease and are interested in this cohort. The project would requir...
11/09/17

Hello, I am interested in the longitudinal data for expression and looking at the 'ADNI_Gene_Expression_Profile' matrix I see that each subject has gene expression profile ...
11/08/17

Hi, In TAUMETA3.csv, we only have access to VISCODE, which is reset to "init" or "sc" for all subjects, including the ones who already had an AV1451 before. For example 135_S...
11/06/17

Hi, can you please tell me how to find the brain images for fmri? I clicked fMRI button under the Image section, but I found some people, like 009_S_0751, who don\'t have fMRI...
11/04/17

Could you please expand on one of the FAQs: "How are patients who transitioned from normal to MCI or MCI to AD identified?" I am looking at the tables from Diagnosis secti...
11/02/17

I've recently downloaded the ADNI WGS alignment data (809 samples). How can I connect the bam filenames to the sample IDs?
11/01/17

Dear ADNI, I have a question about the collaborative studies, especially for AIBL. Does ADNI and AIBL share participants? I guess there might not be an overlap between A...
10/31/17

Dear ADNI, I was wondering if it would be possible for me to apply for access to the ADNIÂ’s MRI data without IRB number. While I was following the data access applica...
10/30/17

Hi.I need a normal person database for Alzheimer's article.Which site to download from? Can you help me?! In Alzheimer's download, there is only a database of patients. Than...
10/29/17

Hi, I recently asked a question about how the DX variable from the ADNIMERGE CSV file is computed, as I am trying to replicate it using the DXCURREN, DXCHANGE and DIAGNOSIS va...
10/23/17

Hi, I would like to confirm how the DX variable from the ADNIMERGE CSV file is computed. I am trying to replicate it using the DXCURREN, DXCHANGE and DIAGNOSIS variables i...
10/11/17

I am attempting to find the exam dates for the neuropsychological testing battery. However, in the NEUROBAT.CSV file, a number of exam dates are missing. I am not sure where t...
09/20/17

How can I download TBI patients specifically? I am not able to refine specific groups.
09/19/17

How to interpret one's genotype? Where can i get the genotype of a human?
09/18/17

Hi We are using ADNI DTI data for our research purposes. I couldn\'t find any control data (volunteer?) using IDA Search (Simple search and Advance Search). Please he...
09/10/17

How can I search or download MCI Converters(MCI-C) and MCI non-converters(MCI-NC) data? Thank YOU!
09/07/17

Is therea study or database i can participate i. Since i am definately heading toward AD & FTLD? Im experiencing undiagnosed word-finding difficulty without intellictual decli...
08/31/17

Hello, I would like to follow up on a question about the MRI acquisition for ADNI. We are just wondering about the rationale of acquiring straight axials for the structural ...
08/29/17

Is ADNI support students financially for Research Paper submission/publication fee for the paid journals ?
08/26/17

Dear ADNI MRI Core Team, We are looking to adapt ADNI 3 protocol for our Philips scanner. Would it be possible to get a copy of the exam card for Philips R5 for: a) structu...
08/25/17

Hi there, I was wondering if you could help me with drop-out effects. I cannot find the data that describes drop-out due to leaving the study or death. I have found the adv...
08/23/17

Hello, Could you please clarify the visit codes for ADNI2 for gene expression data? v02 v03 v04 v05 v06 v11 Thanks
07/11/17

Hi, Could you please advice if there's epigenetic longitudinal data for ADNI participants? Thanks
07/11/17

Dear ADNI, Some VCF files for WGS data have variants with genotype calls of ./. , instead of 0/0, 0/1, or 1/1, even though these variants pass all filters. Could you please...
06/28/17

Hi, I want to know where I can find the CSV of Diagnostic Summary. Thank you!
06/25/17

Dear expert, Could you please tell me how to find the DXCONV information of each subject in ADNI? Many thanks! Best, Meiyan
06/22/17

I am working on the dataset "ADNIMERGE" which have 12737 lines, but from all that there are only 8892 lines with DX filled. Why is the rest empty? Those lines include visits w...
06/21/17

Hi, I'd like to seek your expertise in viewing PET image files for ADNI2 subjects. Using advanced search to look for subjects in ADNI2 phase with PET data, I get ~359 non-uni...
06/16/17

Hi, I am currently working on an MJFox funded project to investigate the differences between PPMI and ADNI sample collection/processing protocols on CSF levels of A?42, t-t...
06/14/17

Dear experts, From the QA (http://adni.loni.usc.edu/support/experts-knowledge-base/question/?QID=477), I get that data of Scaled ADNI1 and N3m ADNI-GO/2 can have the most s...
06/11/17

Why are the EXAMDATE of the same subject (RID) in ADNIMERGE.csv and DXSUM_PDXCONV_ADNIALL.csv so different? For example, for the subject 005_S_5038 (RID=5038), the EXAMDATE in...
06/11/17

Dear MRI core, In the file : "MAYOADIRL_MRI_IMAGEQC" In the column: "serie_time", if I have for example : 61254.421 -> it means that the scan was performed : 6 hrs 12 ...
06/08/17

Very simple question. What is the definition of VISCODE "f"? I cannot find it in the data definition or protocols. I thought it might be "final" but none of these patients hav...
06/06/17

How to find subjects with two modalities acquired at the same time? For example, I want to analyze resting bold, and I want to get a list of subjects with both modalities in t...
06/03/17

Dear ADNI experts, I have downloaded the post-processing FDG PET data. I think that they have be normalized, including intensity and spatial. My question is about the inten...
05/18/17

I suppose to work with 11C-PiB PET scans. Therefore, I have two questions regarding the image collections search queries. 1- When I select the groups, I found that MCI and LM...
05/11/17

Hello, I have downloaded a CSV file for the information on all of the imaging subjects I intend to use in my study. To assess conversion data, I looked to the Data Summary. ...
04/28/17

Dear experts, is it possible to download CT images from the https://ida.loni.usc.edu/login.jsp webpage or it is necessary to follow another procedure?
04/27/17

I am a little overwhelmed by the wealth of data available on the site, however, I seem to be unable to find global SUVRs for all of the 818 WGS samples. Would you please point...
04/25/17

Dear experts, Data FAQs explain that the eMCI subjects can be determined by merging the ARM table with the Diagnostic Summary table and identifying those with ARM==10 & DXC...
04/19/17

Most samples in the vcf file have SITE_ID_S_RID, there is an upper case S, that sits in between the site and rid, but some samples, e.g., 041_s_4629, have a lower case s. Why ...
04/13/17

In the whole ADNI Dataset where I can find original and corresponding ground truth values to segment hippocampus.
04/11/17

Hi--, I am trying to properly subset and merge variables DONEPEZIL and MEMANTINE from dataset RECCMEDS to ADNIMERGE in order to assess whether each patient was using the me...
04/07/17

Hi, I was wondering what the reason for deciding not to include multiple echo MRI scans in ADNI2 was? Single echo scans are not suitable to create relaxometry maps.
04/03/17

For part of our project, we are trying to validate measurements with the UCBERKELEYAV45 analysis uploaded on the shared data website. From using the provided documentation, it...
03/30/17

Dear experts, (1) I find some subjects in ADNI2 have two resting state fMRI scans in a single visit, for instance, 006_S_4192, and I would like to know the reasons behind. ...
03/26/17

Dear Experts, I am trying to compare spreadsheets within the ADNIDOD database, and was seeking some clarification on the different IDs between subjects. For example, when tr...
03/13/17

Hi, I'm trying to decide whether the DTI images acquired in ADNI2 will be suitable for my research. In order to qualify, I need an isotropic voxel size of 2 mm. From the p...
03/09/17

Hi, I was wondering how to identify subjects that have converted to Alzheimer's disease. There is a diagnostic summary excel sheet but it is incomplete. There are quite a few ...
03/08/17

Dear ADNI Biomarker Core, We are a team of investigators from the University of California, San Diego interested in examining glucose levels and diabetic status in relation...
03/01/17

Which cutpoint for Amyloid-beta in ADNI2 should I use? 187, or 254?
02/27/17

To whom it may concern: I proceed to analyze \'pre-processed\' PET (\'Coregister, Averaged\'), and hope to calculate SUV (not SUVR). But, I cannot find what unit of the ima...
02/22/17

What do we know about complications concerning the use of stem cells, and what are the differences between using bone narrow stromal stem cells vs. embryonic stem cells? I am ...
02/20/17

I recently acquired access to the AIBL study data with the goal of looking at the neuropsychological data. When I download the data, I am able to see a "neurobat" excel file; ...
02/14/17

I am using SPSS vn 23 and am not able to get the associated tables in SPSSMERGE to load using the syntax files provides - I am providing the right path - I would appreciate a ...
02/08/17

Dear experts, Looking at the dataset 'adnimerge' I found a lot of subjects without information on the 'FLDSTRENG' field, although they have other MRI information (FSVERSION,...
01/27/17

Dear Expert, I downloaded data from a subject such as "002_S_0295" but have difficulty to find the diagnosis information, e.g., whether this subject is normal, MCI, or AD. I s...
01/25/17

I am a Ph.D scholar from PDU.very new to this field Looking forward early stages finding AD and comparison of AD related diseases. i dont know how to get relevant data for my...
01/24/17

Hi Experts This is a question about ADNI data. What is the slice order when scanning a resting state fMRI? for example ascending(firet --> bottom) Best regards. M-K
01/24/17

Why do the studies all request that you are an older adult. I am 36 years old and feel my memory is changing. Maybe be normal but I am unsure.
01/22/17

Hello There, I'm having difficulty figuring out which dataset will help me answer my question of interest. I would like to use fMRI data to predict disease status using diff...
01/20/17

I am working on the dataset of "ADNIMERGE_May15.2014.csv" but I need the death subject's death date and RID if there are any subjects died, is it possible I can get these info...
01/20/17

For the Tau tracer AV1451 scans, does the procedure for signal intensity normalization use the whole brain mask or is it another mask (e.g., cerebellum)?
01/17/17

How many individuals of Hispanic ethnicity do currently you have MR data for at a minimum of one time point?
01/16/17

Hello. Is there any information available regarding patients who were PIB or amyloid-beta positive? I know subjects were scanned with PIB and AV45, but I'd like to know where ...
01/10/17

Whether Preprocessed MRI is registered or not?
01/10/17

What is the difference between wraping and registration? Thanks
01/10/17

Whether ADNI data is registered or not? Thanks
01/09/17

Dear ADNI, In the Master CSF file (methods document) it specifies a cut-off of <192pg/ml for ADNI-1 and of <187pg/ml for ADNIGO/2 for the determination of AD Â– am I corre...
01/08/17

Hi folks, I'm working with ADNI GWAS data, and I've discovered that these files use Illumina's kgp* format for naming SNPs rather than the rs* format used by NCBI. I'd like...
01/06/17

I have downloaded the ADNI2 dataset from LONI, using the "as archived" option. Currently I am using dcm2niix (previously used the python tool dicom2nifti) to convert to nifti,...
12/28/16

I a m currently working with the amyloid PET data from the ADNI-2 cohort, aiming to extract textural features from baseline scans and compare them to clinical follow-up. I wa...
12/28/16

Where can I find the Arterial Spin Label (ASL) image sets?
12/19/16

Dear experts, We want to use PET images with step 2 preprocessing (coregistered, averaged) to coregister them to T1 scans and then perform partial value correction, but I c...
12/15/16

I have get the MCI-c from the DXSUM_PDXCONV_ADNIALL ,I want to download all these data. Do you have a good way to download the MCI-c from ADNIGO and ADNI2 together? Thanke yo...
12/12/16

I'm trying to figure out how I can find out what "volume-corrected" PET images in the imaging database are. I've come across several of these during my data analysis. What me...
12/01/16

For the VCF SNPs file, how do we genotype the participants. I found in an online guide that the '11AD40929_POLY' column gives you a key. They stated that 0/0 represents homozy...
12/01/16

Dear experters, The ADNI data cannot be downloaded and the download progress bar always reloaded. Can we through purchasing a hard disk to get the ADNI data, like the wey get...
11/30/16

Hi, Could you please help me understand which data types in the ADNI portal has rna and metabolic measures? This will help us put in the right proopsal for the data access. Th...
11/23/16

What is the best colormap for PET imaging in image processing?
11/21/16

Dear Experts. I've collect PET images across ADNI1/ADNIGO/ADNI2 with preprocessing step 3 and with all types of tracers (FDG, AV45, PIB, etc.). I'd like to tell which tracer w...
11/17/16

Dear MRI Experts, When I look to the FreeSurfer 5.1 Corss-sectional results posted on 08/2016 I see that some data is missing from the equivalent subjects listed in the earli...
11/17/16

I need subjects with resting-state fMRI and DTI scans, simultaneously. However I can find anyone (I have found only one subject with AD). Is there any subject (AD, MCI and Nor...
11/16/16

Dear ADNI experts, I have two questions looking at the DXSUM_PDXCONV_ADNIALL.csv and ROSTER.csv: (1) I'm trying to figure out the subject IDs of the subjects who converted o...
11/05/16

I noticed the stroke.csv file is no longer available. Can you please tell me where I can find this information? I noticed the data dictionary is not updated to reflect this c...
11/04/16

I wonder if there are errors in the UCBERKELEYFDG_07_30_15 csv-file. Quite many rows display about 10 times larger mean than median or vice versa, so I think the final zero ha...
11/03/16

I noticed, in the data collections, that different specifications are written regarding the scans : IR-SPGR, wacceleration calibration scan, 3-plane localizer, MPRAGE, MPRAGE ...
10/24/16

Was tobacco use an exclusion criteria for any group?
10/21/16

Dear ADNI Experts I am having problems with find the diagnosis for patient with most processed 11C-PIB PET images. I have 228 subjects on list now. I wanted to match all th...
10/19/16

Can you tell me how subjects were selected for Whole Genome Sequencing? Was there selection based on APOE genotype?
10/17/16

I am wondering, is the PET data standardized, or regularized so that the pixel corresponding to the same voxel for all patients? I tried to download some patients data with l...
10/13/16

we would like to kindly inform you that the fMRI data have the problems mentioned in this link: http://adni.loni.usc.edu/methods/mri-analysis/mri-pre-processing/ I would kin...
10/11/16

Dear Sir / Madame I would be interested in using a subset of the ADNI data to generate an artificial dataset. At first instance, I would like to "learn" the distribution...
10/06/16

I see that the database includes a Participant Stage across all phases (ADNI1/GO/2) where is this dataset? How do I link RID (ID) to participant stage? More directly, I am loo...
10/05/16

In the ADNI 1 Screening group, I would like to know if the following subject is a Healthy Control or not. From the XML file info it says that it is a PATIENTS and at the same...
10/04/16

I would like to download MRI scans of Healthy Controls in the ADNI database. In the advanced search tool I specifically asked for ADNI 1 (being the only dataset having control...
10/04/16

Pls note: I asked the same question a week ago, since no response yet, just put it again: Dear Experts, my understanding is that, for ADNI2 subjects, each should have a few t...
09/29/16

Dear ADNI MRI Core, We are PIT group from Hungary and we are trying to analyze the structure of the brain using brain-graphs. To build these brain-graphs (using Connectome ...
09/27/16

Dear ADNI Experts We are the PIT Research Group from Hungary, and our main intention is to analyze structure of human brain by braingraphs. To build these braingraphs, we u...
09/27/16

Dear MRI-Experts, We are wondering why the ADNI T1 sequences resulted in non-isotropic voxels. In most cases isotropic voxels were preferred, especially when the images are a...
09/23/16

Dear Experts, my understanding is that, for ADNI2 subjects, each should have a few tests (in different times) and be recorded in clinical data. However, when I check the diagn...
09/22/16

I would like to download both MRI and PET images for each subject. Within the advanced search criteria, I selected to display participants with MRI AND PET. When that particip...
09/20/16

To whom it may concern. Does the PET Image data include the corresponding CT scan data? Thank you and best regards, Daniel Rath
09/20/16

Is there a spread sheet listing all of the participants RIDs who have rsfMRI?
09/14/16

Dear ADNI investigators, I would like to know if any of the participants who underwent a fMRI resting-state scan also underwent a DTI scan, since I saw that these scans wer...
09/12/16

How to find subject (ADNI2) having both MRI images and genetic data? Thank you
09/06/16

Is ground truth available for Alzheimer images in ADNI datbase
08/29/16

After getting accessin downloading images i downloaded csv files but could not view any image.how to download an image in ADNI database.Please provide me step by step instruct...
08/25/16

We are designing a study on nondrug intervention in MCI. Would be interested to know your recommended, standard protocol for MRI study.
08/24/16

hello; how can i get eeg data for healthy subjects & AD subjects?
08/12/16

How can I know which sample in 818 ADNI paticipants of ADNI2 assigned to AD, MCI or controls
08/02/16

For ADNI 1 database, when looking for the 1.5T scan and its corresponding 3T scan, do these two files share the same Roster ID?
07/19/16

Hi,in the imaging collection, I can only find the group patient ,how can I found the control group and MCI group? Is the MRI data related to the genetics data? Thank you!
07/15/16

Is there a way to know the point spread function of different scanners participating in ADNI PET data?
07/06/16

I would be grateful if you could let me know that if MCI equals to EMCI in ADNI1_Complete_1yr_1.5T database or not? Otherwise, would you please let me know the difference betw...
07/05/16

Hi, I have a question about Data use Policy. Can I use the ADNI data for commercial purpose? I had read Policy PDF, but I could not find the detailed. Thanks
06/29/16

Hi ADNI experts, I noticed that it appears the ears are pressed against the head in the MRI scans. I checked the MRI Technical Procedures Manual, and it states "Provide...
06/29/16

I am planning to present a poster at AAIC2016 containing ADNI data. How should ADNI be acknowledged, and do I need to provide you the poster prior to presentation? Thank you.
06/27/16

Dir Sir or Madame, Currently, I am working with PET scans from the ADNI database in my research. I try to understand all of the four pre-processing types (http://adn...
06/21/16

Dear Sir/Madam, How does one distinguish between patients with AD and controls? Is there a search field? I wish to download several PET studies.
06/13/16

Dear Experts, I see from prior helplist questions that the .nii header can be unreliable for determining TR (many I have tried say TR = 0). In my IDA data collection, when ...
06/10/16

Hello sir, Could you tell me , how can I add TOMM40 genotyping to ADNI-1 dataset Thanks in advance
06/03/16

Could you please tell me how can I find the ADAS-Cog value for each subject? Many thanks!
06/03/16

I am trying to reduce the PVE and the between-centre variability of PET data. I would like to know if I can have access to uniformity phantom scans from each centre as well as...
06/02/16

Do you know if there is any overlap in subjects between the ADNI samples and the IGAP summary data (http://web.pasteur-lille.fr/en/recherche/u744/igap/igap_download.php)?
05/26/16

When I extract the ADNI_cluster_01_forward_757LONI data. I found that the column where suppose to figure out the phenotype of the sample are all with value of -9. How could...
05/25/16

how can i download mri images of mci to ad converted patients?
05/18/16

Hello sir, I downloaded ADNI-1 dataset . How can I add APOE genotyping data to ADNI-1 dataset thanks in advance
05/18/16

Dear Sir or Madam, Our lab is using ADNI data to do analysis right now. I just find that the data format is quite different for some subjects. For example, 012_S_4128 has 6...
05/16/16

Hello sir, I downloaded WGS data how many participants(normal,MCI,AD) of WGS data after select baseline diagnosis only? thanks
05/03/16

Hello sir, I downloaded WGS plink format , how to filter participants of age greater than (65) years
05/03/16

Hello sir, I downloaded WGS dataset, how many participants after select baseline diagnosis only? when I want to filter baseline diagnosis , select (viscode=="bl" && viscode...
04/26/16

Dear ADNI experts, I am looking to normalise regional brain volumes by intracranial volumes. I am having difficulty locating the necessary values. Having started preliminary ...
04/25/16

Is the data provided in SUV or CMRglc? We are trying to decide if we are going to use your data as controls for our study, and our pipeline is set up to handle CMRglc data, bu...
04/07/16

How can I find a individual sample a Control or a AD or a MCI sample?Such as 002_S_1070.csv is a Control or AD?
04/06/16

I have searched into documentation but didn't found information concerning resolution FWHM of each PET scanner used in ADNI project. Do you think it is absolutely needed to...
03/17/16

To whom this may concern, I am using the AV45 images and looking at Regional uptake. What are the units for the intensity of image. I have looked everywhere and I can't fin...
02/24/16

To whom this may concern, I am using the AV45 images and looking at Regional uptake. I just want to confirm that the downloaded images (stage 4 processed) are SUV images. A...
02/24/16

Dear ADNI experts, We have some resting scans downloaded from your website and try to preprocess them with fiedmap correction. One information we are not able to locate is ...
02/18/16

Dear Sir or Madam, Were any of the MRI data collected while participants were doing cognitive tasks? If so, where would I find more information about these tasks? Thank ...
02/18/16

I collected preprocessed PET images with "Coreg, Avg, Std Img and Vox Siz, Uniform Resolution" across all ADNI study (ADNI1, ADNIGO, and ADNI2). In my case, I'd like to match ...
02/13/16

To whom it may concern, I have questions regarding ADNI genetic data. Can you help to answer them? 1. How many samples were genotyped using Omni 2.5? I downloaded the O...
01/25/16

To whom it may concern, I am currently using the ADNIMERGE.csv file to analyze longitudinal data. I have noticed that the age of each participant with multiple visits does ...
01/19/16

Dear Sir and Madam, I am working on ADNI GWAS data now. As I noticed, there is only SNPs information in the dataset. I am wondering if there is a way for me to get the geno...
01/08/16

Dear Sir or Madam, we're interested in SNP analyses using the ADNI Omni2.5M microarray SNP data. We can use Plink (or gPlink) to do first analyes, but as data related to init...
12/15/15

We are interested in using the lessons learned from ADNI to do a multicenter hip MRI study, also using multiple MRI vendors. Is it possible to purchase the ADNI phantom? Will ...
12/15/15

Hello sir, I am using merged REGISTRY/DXSUM/ARM table to identify baseline diagnosis by PHASE=Â’ADNI1Â’, VISCODE=Â’blÂ’, and RGCONDCT=1 for example: RID Phase VI...
12/11/15

I am trying to amalgamate several of the ADNI datasheets to generate a master datasheet with longitudinal data for each subject (i.e. I am using the combination of RID, VISCOD...
12/07/15

Dear Expert, We are trying to preprocess the DTI data downloaded from ANDI and we are following the steps suggested here: http://web.stanford.edu/group/vista/cgi-bin/wiki/i...
12/04/15

Dear experts, i\'m interested in donwnloading raw pet fdg images but i have some problems. I tried to download ANALYZE format and for every patient i find 6 scans. I can\\\\\...
12/04/15

Hi, I am currently processing DTI data and I was wondering if ADNI includes bval and bvec information in DICOM header. I tried to use MRIConverter and dcm2nii to extract .b...
11/24/15

Hello sir, I download "ADNIData training part 2" PDF. I use R example code to merge ARM and DXSUM but I have an error Error:unexpected error symbol in dxsumvars <- c("RI...
11/24/15

Could you please specify the visit on which were collected the blood samples that were used for generating the gene expression profiles posted on posted April 27, 2015 ?
11/24/15

My account went inactive, and I need to reactivate it, is there a way to do so?
11/20/15

Is there a way to limit the search results by the MR image matrix? Thanks.
11/18/15

Dear sir, I am new in plink analysis, I downloaded ADNI1 dataset. How can I search in plink files for location (start / end)of gene for example CD2AP gene in which its lo...
11/10/15

We downloaded the diffusion MRI data, specifically the preprocessed images. However, we have doubts about how to find the information about the diffusion gradients directions....
11/05/15

Is Adni only an observation study ou are interventional traitements alowed on participants.If Adni participants received traitments can they remain in the Adni cohort?
11/05/15

L.s. How do I differentiate participants that have been included in ADNI 1 and are now in the follow-up in ADNI go vs the newly included participants ? Are the follow-up su...
11/02/15

How to convert ADNI1 data from .CSV file format to plink format Thanks in advance
10/30/15

Hello all, I am new in plink analysis, Conversion to plink format keeps failing due to an error. Error: failed to open HNPGenotypes.fam Here are the few lines of my file...
10/30/15

Dear Sir where is the Diagnostic Summary File of WGS data Thanks best Regards Marwa
10/30/15

Hello, I am using the PET images from ADNI to for a voxel based study but I noticed that you have already blurred the images so that final images have a common PSF. I was wo...
10/29/15

I would like to use ADNI AV45 PET data for voxel wise study in MNI space. I downloaded the completely processed ac-pc, std, smoothed images but was wondering what transformati...
10/23/15

Hello, We are trying to do longitudinal study for brain and Hippocampus. I have searched in ADNI database and could find two different studies that provide brain mask ( "Free...
10/21/15

?Thank you very much. The images are satisfactory for our purposes. Can I sort through the subjects who have highreshippo images to find 10 males and 10 females each with mi...
10/06/15

I am a neuroradiologist working with the memory clinic at Eastern Virginia Medical School to compare general radiologist, neuroradiologist, and NeuroQuant assessment of hippoc...
10/06/15

My question is, we searched all database for resting-state fMRI and ADNI Go/2, but only found 828 data, similar to the sample size stated in MAYOADIRL_MRI_FMRI_05_07_15. Of al...
10/02/15

Dear Sir or Madam In my last questioni I asked you that: "where is the Diagnostic Summary File Dictionary?" you said that :"Please see download>study data. It's under the Dia...
09/17/15

Dear Sir or Madam where is the Diagnostic Summary File Dictionary? Thanks best Regards P?nar Karaday?
09/14/15

Hi! I'm looking align the strand of the Omni 2.5M-8 chip using one of strand files from: http://www.well.ox.ac.uk/~wrayner/strand/index.html Are any of these the correct...
09/13/15

Could you please help me how to recruit the age and sex matched subjects from the ADNI respository?
08/31/15

I downloaded 180 MRI images. When I plot them with matlab code.. I found They are of different size. some are 160*256*256 others are 160*192*192 others are 160*256*240. Is th...
08/25/15

Dear sir/madam, I wished to know the utility of dynamic (six 5 min frames) acquisition over static for FDG-PET
08/21/15

Hi experts I have two Questions,My question are that, In ACCESS DATA-> Under Explore tab -> Visualize Data, there exist a grid at the bottom of page which shows general...
08/18/15

Hi I am writing my doctor thesis about Alzheimer's disease.First of all I want to thanks a lot because of your matterials and datas. My question that: My thesis subject is "...
08/17/15

Hi, experts, I'm confused about the IDs in cvs files. I mean I can't find the same ID and RID in two different files. For example, in DXSUM_PDXCONV_ADNIALL.CSV, the first row ...
08/16/15

My colleagues and I have recently downloaded the ADNIgo/2 GWAS data from LONI IDA. We were missing data from 70 subjects but were told that data should be available for those ...
08/14/15

Dear expert, Thanks for providing a good database of Alzheimer Disease. For discriminating AD from normal control, I found information in Explore >> Visualize Data section,so...
08/14/15

I want to download MRI and PET data for each subject. For only MR data it shows a list of collections but it does not contain any PET scans. Where is the collection having suc...
08/13/15

Dear sir/madam, As there have been upgrades in MRI machines, with reference to Siemen's Skyra 3T D11 to D13, are there parameters specific to D13 that is made available?
08/03/15

Dear Sir/Madam, Does Pre-Processed MR images (for exampe imageId:92646) need AC-PC alignment? Thank you for your help in advance Sincerely
08/01/15

Dear ADNI experts, I have noticed that some series have a step called N3m. For instance series 93981 has the following images: Image ID | Sequence ---------|-------------...
07/29/15

Dear Expert, I am using your database for finding my desirable data (MRI and DTI of AD patient). In search result, research group is identified as "Patient". I am wondering i...
07/25/15

Hi I am writing my doctor thesis about Alzheimer's disease.First of all I want to thanks a lot because of your matterials and datas. My question that: I want to access datas...
07/21/15

Hello, How can I find out which resting state fMRI volumes are affected by the "pencil artifact" and which ones are not? Also, where can I learn more about this artifact...
07/17/15

Dear, Thanks for the data collection. Would you please help me with answering my question? I am wondering if there is an anatomical image (e.g T1 image) for every DTI study w...
07/15/15

Good afternoon, I am Scot Fague, the data manaager for the DIAN observational study. I am curious how ADNI anonyimzes the data to prevent PHI from being dispersed? What method...
07/14/15

How is APOE4 coded in the ADNI1 data set? Is it (0,1) or (0, 1, 2). If it is (0, 1) then is the presence of 2 a typo? If it is (0,1,2) then what do they mean? Thank you.
07/09/15

Dear expert, I notice that if we want to publish manuscript using the ADNI data, we should sign the "Data usage agreement" file. Here are the questions: First, should all the ...
07/08/15

Dear experts, I would like to identify the preferred image for each visit. If I am correct, the MRINCLUSIO.csv file (downloadable from the website) contains this informa...
06/29/15

Where can I find the siteid lookup table? I am specifically looking for subjects scanned at NYUMC and cannot find which siteid corresponds to NYU. Thanks!
06/26/15

For the volumetric data calculated by FreeSurfer, do you also calculate age- and sex-adjusted percentiles? So for example, you would provide the hippocampal volume and an age-...
06/02/15

Dear experts, May I know if the PIB-PET files contain any information regarding the PIB index (PIB+ or PIB-)? I have looked through them but did not manage to find any infor...
05/30/15

Dear ADNI experts, While inspecting the content of directories downloaded from IDA, I have noticed that some image ID are duplicated. For instance, image ID 58872 corres...
05/29/15

There were patients whose images I downloaded because the most recent ADNI Merge Data Sheet showed me that they had both baseline scans AND two-year follow-up (24 month) scans...
05/29/15

Dear experts, How do I convert the ADNI2 visit descriptions in the 'Visit' field in MPRAGEMETA.csv to ADNI1/ADNIGO visit codes (e.g., m12, m24, etc.)? For example, what ...
05/28/15

My question is about Gene Expression data. When I read its description pdf file, it seems like RNA expression level. And, I searched for the chip in the affymetrix web page...
05/21/15

Hi expert, I downloaded the resting state fMRI data ( NiFTI 4D) and noticed that in the header TR had a value of 1 which I thought should be 3s instead. Is this a mistake? Th...
05/18/15

Dear Sir/Mdm, may I know if there is a file containing the legends of all the short-forms that the headings represent? I am also unsure of what the values mean for instance, u...
05/18/15

Hi, Can you explain the difference of processed MRI images between \"Spatially Normalized, Masked and N3 corrected T1 image\" and \"MPR; GradWarp; B1 Correction; N3; Scaled\"....
05/16/15

I have recently downloaded all the "Early AV45" scans as NiFTI-4D, and I was wondering if the frame duration is consistent across the sites/scanners. I downloaded an exemplar...
05/07/15

Dear Sir or Madam, When I downloaded the resting state image data, I found several patients only have one DICM file, which is totally different from others, which usually h...
05/07/15

Hello, I have download the Diagnostic Summary, but cannot find any description of Conversion to AD. Where can I find the file giving conversion and non-conversion information....
05/06/15

Dear experts, I have recently noticed that there is a 4th pre-processing steps for T1 images (after gradwarping, B1 correction and N3 correction) called scaling. It's those...
05/04/15

Hi, I am working on processing resting state data. But I couldn't link the ID to the clinical data. For example, ID: 002_S_0413, what is the relevant RID? Thank you!
04/16/15

My questions are related to pre-processing fMRI data. Do we need each individual T1 image to pre-process each fMRI (DICOM) file? Are you aware of any study that has pre-proces...
04/13/15

Dear experts, I have contacted you on march 26th because I suspected some errors in the DB. I haven't yet received an answer. I think I have discovered another kind of e...
04/07/15

Hi,experts! I have noticed that all manuscripts using ADNI data must be reviewed and approved by the ADNI Data and Publications Committee prior to submission. However, I wond...
04/02/15

how do you detect early onset alzheimer's disease from an MRI? After having 2 MRI's & approximately 6 years of being told it was depression, a diagnosis was finally made of e...
04/01/15

Hi,experts! I have noticed that fMRI QC file contains the time series information. but I didnot find it in LONI. Could you tell me how and where to find it? Thank you.
03/26/15

Where can i find the patient's family identifier (FID) whose i know the subject identifier (Subject ID)? Thank you in advance, best regards.
03/11/15

My research lab has not had to process MRI scans before, and after doing a lot of research I could only find brain extraction programs that required knowledge of coding. I wa...
03/10/15

Where is the information for Diagnostic Conversions located?
03/02/15

Recently, I submitted a manuscript in a neurology journal about perfusion SPECT in mild Alzheimer's disease using Neurogam software. One of the reviewers recommends that we...
03/02/15

I have download the Conversion to AD file for ADNI1 but it only lists 19 subjects. Obviously many more MCI's have converted to AD in ADNI1. How do I get the complete list? Tha...
03/02/15

Hi, I am wondering if you have resting state fMRI image we can pre-process ourselves? In the current MRI data, we only saw T1 data there. Thanks.
03/02/15

I would like to know how the DXCHANGE variable is assigned in the diagnostic summary file. Is it using only clinical tests like MMSE, CDR, ADAS-COG etc. or is MRI/PET also tak...
03/02/15

Hello, I downloaded two files from the ADNIGO/2 GWAS section, the plink format files and the first csv file (the "set 1 of 15" genotype data). However I was not able to deter...
03/02/15

Everytime I download images from LONI, I need to restart my MAC using OS X 10.10.2. for it to work. I have set the permissions on SAFARI 8.0.3 to allow JAVA plugin to run in...
03/02/15

Hello! I am attempting to examine if atrophy of the central visual pathway structures (e.g. primary visual cortex, LGN if possible) is associated with increased behavioral dis...
02/26/15

I have downloaded the dynamic (90 min) Pib-PET images from ADNI. However, I do not see any information regarding their arterial input function. I noticed that most of the subj...
02/25/15

What type of Java plugins are required, with which browsers, and any particular operating system, to be able to download data?
02/24/15

When running the 2 x MPRage sequences, is there a preference as to which one is better / more important. I have been looking at these two sequences and can't decide which wou...
02/16/15

Hi ADNI MRI Core, I am trying to analyze resting state fMRI data. I have the following questions from my co-investigator / researcher on my team. Are the fMRI scans in the...
02/14/15

We are working with the Concurrent Medications Log [ADNI1,GO,2] data and we can't find the code used in CMFREQNC. Could you provide us with the dosing frequency for the foll...
02/04/15

I have downloaded MR scans from ADNI2 with 'Subject' IDs ###_S_4### in the CSV file, that I am trying to link to data in the diagnostic summary table. The key to link these ta...
01/26/15

We known that there are many common measurement scale to diagnose AD. How can I find the measurement scale in our website?
01/24/15

Besides MMSE scale, how can I find other scales of AD?
01/24/15

Can you give me a favor? How can I calculate the AlzheimerÂ’sÂ DiseaseÂ AssessmentÂ Scale-CognitiveÂ section, ADAS-Cog?
01/20/15

Hello, I would like to ask how the variable DXCHANGE is assigned in the diagnostic summary files. Is it done using information only from the clinical tests like MMSE/CDR/ADAS-...
01/09/15

Hi, I would like to know why all images don't go through all the same processing steps (MPR; GradWarp; B1 Correction; N3; Scaled). Are they comparable even though they didn...
01/07/15

Hi, I found this answer in a previous topic (http://adni.loni.usc.edu/support/experts-knowledge-base/question/?QID=187): "Response posted 02/26/14 by Bret Borowski: Tha...
01/07/15

Hi, I would like to know if there is a quality check on every MRI available on the database (meaning that images who didn't pass the quality test are not uploaded on the data...
01/07/15

Dear sirs, Please, correct me, if what I understood is wrong. Yesterday night (Dec 21th, 2014), I downloaded ADNI WGS vcf files. The sample IDs in vcf files were written in...
12/22/14

Today (Dec 22th, 2014), the sample IDs in vcf files of ADNI WGS GATK are still in the previous format such as 08AD6536, 08AD6540, and so on. Also, the csv file (ADNI_PTID_WG...
12/22/14

The vcf file (ADNI WGS GATK) for chr 9 unloaded in this website does not contain vcf for chr9 but "ADNI.808_indiv.minGQ_21.pass.ADNI_ID.tar" This file does not have any lines...
12/22/14

Dear Experts (With regard to diagnostic assignments in ADNIDOD): The selector for subject-specific information still appears to be inoperative, so I have been using VAELG.csv ...
12/19/14

Dear ADNI group, ADNI news enounciates release of GATK WGS data, but the afformentioned links are missing in download section. Is the data unavailable at the momment?
12/17/14

Could you please provide a correspondence table between the sample IDs used in the multi-sample VCFs (e.g. 08AD6536) generated from WGS data by GATK, and the PTIDs (e.g. 002_S...
12/15/14

Hello, I'm a research assistant at the lab of Dr Jigar Jogia's group, where we will be looking at the changes in MRI data across different conditions, including medications. ...
12/11/14

Dear Sir or Madam, we are interested in a study of dementia and the use of the anti-diabetic drug pioglitazone. Therefore, we like to know whether 1) you have information ...
11/28/14

Hello, I run a medical imaging CRO. We have been approached by a client to do visual ratings of the raw florbetapir data. Is the raw data available to us? Do you have a sugges...
11/25/14

The entries for Hippocampal volume in ADNI-MERGE.csv seem very large. (They do NOT agree with the sum of Left+Right from UCSSNTVOL.csv) Can you clarify this? Thanks.
11/24/14

Hello, I am Jamuna. I am trying to download the ADNI data. Basically, what I am trying to do is download 100 each of Normal, Alzheimer's and MCI age matched data.. My q...
11/21/14

I'm trying to get detailed information about the DTI scan parameters for the Effects of TBI & PTSD on Alzheimer's Disease in Vietnam Vets (ADNIDOD) Data, to which I've been gr...
11/18/14

What does cerebellum = 1 mean in UPitt-PIB PET analysis file?
11/10/14

Thank you for your previous response about downloading DICOM files. I have checked what you said, but I had another problem! In the database series, there are Fractional Ani...
11/06/14

How do neurons die in Alzheimer's disease? What is the mechanism of cell death?
10/29/14

Merging the ADNI_PTID_WGS_Sample_Correspondence with the ADNIMERGE table (by PTID = ADNI_PTID), I do not find the announced numbers of sequenced patients by disease category, ...
10/28/14

I am downloading a large number of files at a relatively slow speed -- the process will take weeks. What happens if I need to terminate the download? Does it continue from whe...
10/27/14

I find only 717 VCF files within the 25 zip archives I downloaded from (see listing below). I would expect 809 files, according to ADNI_WGS_Notice_20130917. Did I miss somethi...
10/27/14

I used the Advanced Search (beta) function to find images, and display their stduy group. The results only show the Patients study group. Is it possible to access the Voluntee...
10/20/14

There appear to be two structural MRI scans per subject in the ADNI-Go. Which do you recommend I use for further analysis, with and without GRAPPA2/SENSE2/Accelerated?
10/17/14

From where can I get the MEDICAL HYPERSPECTRAL IMAGES FOR ANY CANCER DETECTION OR DIAGNOSIS.
10/16/14

I have downloaded T1,T2 and DTI images in NIfTI images from the ADNI website. As I go through the processing pipeline, I noticed that I need files for the b-values of each ima...
10/15/14

I just downloaded the PLINK-format version of the variant calls derived from the ADNI WGS data. Having a quick look at the .bim file, I notice that location data is missing (...
10/14/14

How can I download the related date?
10/12/14

Dear Sir, I am a PhD student in computer science. I need MD images which are already coregistred with their corresponding structural MRIs. I have recently downloaded the MD...
10/09/14

Dear Expert, having available files from ADNI Database (MRI MP_RAGE) of subjects with ADNI id for example 005_S_0221 and also wanting to analyze the neuroclinical data, I need...
10/08/14

kindly, i need the equivalent "rs" notations for the following two SNPs kgp8565253 and kgp5536625
10/08/14

Dear ADNI scientist, We have finished a multivariate mapping of brain atrophy signature in the ADNI cohort. As a post-hoc analysis, we have decided to investigate how the r...
09/23/14

Dear ADNI Genetics Core staff, I am downloading ADNI WGS data for analysis. However, I couldn't find an excel-like file for demographic information. Therefore, I checked WGS_...
09/08/14

I have been downloading data from https://ida.loni.usc.edu/pages/access/search.jsp For small amounts of data, it works quite well. But for large amounts it is quite cumberso...
09/08/14

Could you please give a description of the ADNI test data, which is imputed data? I have tried to open readme file, but unfortunately it seems to be corrupted and unreadable.I...
09/04/14

i want to know if the Whole genome sequencing (WGS)data in plink formats have APOE and TOMM40 genotyping data or not
08/13/14

Hi Mike, Thanks for your clarification on 10 Aug 2014 to my question regarding concomitant use of cholinesterase inhibitors and/or memantine during ADNI studies. To make s...
08/13/14

I just download all the PET data. In the csv file, there are two subjects, 031_S_4149 scaned on 2013-08-17 and 010_S_0788 scaned on 2006-10-09. But I can't find them in the PE...
08/07/14

Dear ADNI team, I am looking for information within the ADNI studies on the concomitant use of cholinesterase inhibitors, memantine and other treatments for Alzheimer's Disea...
08/05/14

Thank you Bob, for the response, yes i want to calculate the SUVs. Also, can you tell which sequence was used in Siemens system? Thank you, Vic
08/04/14

Hi, can you tell me what units were used in this image 02_S_4213, F, 78.1, ADNI Brain PET: Raw FDG, Original Thank you. Vic
08/04/14

kindly let us know what would be the ideal parameters for capturing B0 calibration for ASl quantification in siemens skyra
08/02/14

In plink data i found 2 different SNP annotations one starting with rs(i know this annotation)and one with kgp what dose it mean? and what is the (rs) equivalent notation for ...
08/01/14

Hi - Why are there some patients with a DX_bl value of LMCI or EMCI that also have a DX for a baseline visit (VISCODE = "bl") of "Dementia"? For example, in the ADNIMERGE tab...
07/23/14

Hello I would like ask a question regarding the submission of the application for data access. In the proposal analysis section should we write a paragraph with all details we...
07/16/14

Please I have downloaded the genetic data and I have found more than one diagnosis value (1, 2, 3...) related to different times/ dates. I do not know which value can be taken...
07/08/14

Could you please walk me through image naming? For example, here is a T1 file name: ADNI_002_S_0413_MR_MT1__N3m_Br_20110701095117041_S111989_I242896.nii 002_S_0413=su...
07/08/14

I want to download all of the DXSUM table. I did it a couple of years ago but I have forgotten how. What do I type in when it asks what I want?
07/02/14

I downloaded the plink data(812) with missing phynotype and after linking it with clinical data(879) to know AD,MCI and control subjects, i don't found 495 subjects and found ...
06/30/14

I downloaded the plink data(812) with missing phynotype and after linking it with clinical data(879) to know AD,MCI and control subjects, i don't found 495 subjects and found ...
06/29/14

i downloaded the complete plink data set for alzheimer (812) but with missing phenptype i want to know the case and control subjects
06/27/14

Dear ADNI Genetics Core, I was wondering what build have been used for the GWAS plink files? Further, I noticed a new addition to the ADNI genetic data, namely, AD Chall...
06/16/14

Hello, Sir: I want to know how can I determine the data type of one subject is MRI, fMRI, PET or DTI. Can I just know this depend on a parameter in some tables?
06/13/14

What was the program and version used to generate the values in table "UCSD derived volumes" for ADNI1?
06/12/14

Dear the officer: Sorry to bother you. For the PET subject: 052_S_0989/ADNI_Brain_PET__Raw_FDG/2011-01-05_10_36_42.0/I213447, There are totally 6 scans: ADNI_052_S_098...
06/11/14

Continuation to: "Sound procedure to normalize LONI PET scans". Dear ADNI experts, thanks so much for answering my previous question. However, I'm still wondering whether I sh...
06/11/14

Participant S_031_S_4005 is listed in the DXSUM_PDXCONV_ADNIALL.csv file as having converted from MCI to dementia on 4/30/2012 (EXAMDATE). However, in the LONI image archive t...
06/11/14

Hello, I wish to use the MMSE.csv file to get the MMSE sub-scores. I am looking for the following components: Category Maximum Possible points Orienta...
06/10/14

I have re-downloaded all available .zip files for the ADNI1 GWAS data and extracted successfully, however, there are only 757 subject files. I have read on the ADNI website th...
06/09/14

Dear ADNI scientist, After downloading whole-genome sequencing VCF files, I have faced a subject who lacks any SNP for X and mitochondrial chromosomes. The subject ID is...
06/06/14

I am trying to identify the current diagnosis status for samples in the WGS data (##_S_####). I have cross-referenced the last four digits of the PTID (RID) against the Diagno...
06/05/14

Can you please explain how to get a list of pre processed T1 weighted images given subject ID list. I get a list of data with various descriptions, none of which says T1-weigh...
06/04/14

We are having a bit of trouble matching up records between the "Diagnosis Summary" dataset and the LONI Imaging database. The FAQ says that the roster ID (RID) field in the...
06/03/14

Sound procedure to normalize processed PET scans to MNI space. Dear ADNI experts, we are interested in normalizing LONI PET scans in the most processed format (Co-reg, Avg, St...
06/03/14

Cloud you please tell me how to define the EMCI, LMCI, SMCI, and MCI about the ADNI data. Many thanks to you!
05/27/14

Cloud you please help me to understand the new description \\\"Extended Resting State fMRI \\\"?
05/19/14

Hi, I note that prospective motion correction has been applied for the rsfMRI series. I wonder if there is any way I can reconstruct the movement regressors to enter them as ...
05/19/14

hello teacher; Â I'm smahi Ayoub, masters student neuroscience and biotechnology UNIVERSITY ABDEL MALEK SAIDI Tetouan MOROCCO. I want to know is what you m help to find b...
05/19/14

Hi, I was under the impression that ADNI had AD subjects that have both DTI and resting state (fMRI) data. However, when I used advanced search (beta), the search came back...
05/12/14

Hi, I am working on MR images. I have identified patients converted from MCI to AD. I have also collected the available data of those patients. But how to know which data are ...
05/06/14

Hi, is it possible to obtain the "raw" freesurfer output, i.e. the coordinates of the cortical surface segments? If yes, what are the dictionary entries where this data is s...
05/02/14

Dear ADNI experts, We are interested in quantifying a set of ADNI FDG-PET scans. My concern is whether we can merge both ADNI1 FDG-PET and ADNI2 FDG-PET datasets in its mos...
04/30/14

Estimeed ADNI, I am a student at the University of Padova. I am enrolled in the neuroscience and neuropsychological rehabilitation. I would like to use data from the ADNI da...
04/30/14

Dear Experts, I'm not sure quite who to address demographic data collection questions to, so I hope you don't mind me addressing it to "All ADNI". From looking through t...
04/30/14

Hi, could you tell me the meaning of image types??original??Pre-processed??Post-processed??what are the steps about pre-processed and post-processed?Thanks!
04/23/14

Is there now, or will there be in the future, a multi-sample VCF released for the WGS dataset?
04/15/14

How can I get the name of the gradient coil of the scanner used to acquire a scan?
04/02/14

There is an error in the data for the Everyday Cognition (ecog) test in the neuropsychological database. The test has 39 items but there are 40 items listed. There appears to ...
04/02/14

Hello I am a PhD student at IUPUI and I process the resting state scans so that we can extract various rs-networks but during QC have noticed that there is an artifact that h...
04/01/14

Hello. A PDF at http://adni.loni.usc.edu/wp-content/uploads/2010/09/ADNI_WGS_Notice_20130917.pdf has this infomation: In July 2012 the Brin-Wojcicki Foundation and th...
03/23/14

Hi, all. I'm trying to download the clinical and image data for ADNI1 - MCI subjects. I know I am supposed to get abut 400 subject results on the data base, however, I'm only...
03/19/14

I would like to have the Whole Brain volume (grey + white matter including cerebellum) from FreeSurfer in ADNI-2 but I am getting confused with the columns that I should sum.....
03/19/14

Thank you for rich information integrated in the LONI databae. I have a question about the column "DX" in the ADNI 1-GO-2 merged table. I saw the values in this field have "De...
03/19/14

Could you please tell me if any ADNI dynamic PET data has been supplemented by the measured blood/plasma data (input function)? Without that, the advance kinetic analysis of ...
03/13/14

Hello, I looking for more information on the variable called "CMT6" in the LABDATA spreadsheet. Specifically, I am wondering what the values listed in this column represent (...
03/12/14

I wish to find a list of dementia patients who had rapid cognitive deterioration. Either during the study or prior to enrolment to the study. Where is it possible for me to fi...
03/11/14

In viewing the Biospecimen Data description, the first paragraph includes this statement "Interested investigators, whether associated with an ADNI site or not, are encouraged...
03/07/14

Dear ADNI, Me and my colleagues have carried out a study where we compare the diagnostic ability of CSF Abeta42 and regional AV-45 PET measures. It would be very valuable...
03/04/14

I am encountering the following issue while trying to download longitudinal (or entire sets) of image collections. For example, if I want to download the entire PET image d...
02/26/14

(Sorry for second issue, the form doesn't like messages past a certain length) We also have a scan that may be a scanner change, again with a series that has an unusual series...
02/26/14

We're downloading sequences for processing at the DRC and have encountered some scans with previously unknown series descriptions: ADNI_073_S_2182 ADNI2 V11 "MPRAGE GRAPPA2_S...
02/26/14

In several patient studies, instead of MPRAGE and MPRAGE GRAPPA2, there are sequences labeled SAG MPRAGE NO ANGLE and SAG MPRAGE GRAPPA2 NO ANGLE. What is the difference betwe...
02/19/14

Hello Sirs, We are making an study applying data mining techniques to ADNI repository. We are going to administer some test to a group of subjects and we want to use exactl...
02/12/14

Dear sir, Hi~ IÂ’m Jong Hun Kim working in Ilsan hospital of Korea. I have a question. Where are the scores for logical memory at screen or baseline visit. In ITEM tab...
02/05/14

When I download DTI images in NIFTI format, there are 46 NIFTIs that should include 5 B0 and 41 diffusion weighted images. However, I am wondering which images correspond to w...
01/30/14

I have another question on the diffusion gradient table. As I was looking at the table at http://adni.loni.usc.edu/support/experts-knowledge-base/question/?QID=97 , I could n...
01/29/14

How can I find the b-value of the DTI images (Axial DTI)?
01/29/14

Is there a best way to determine the patient groups MCI-converts vs. MCI-stable? We think about taking all patients (ADNI1,ADNI-GO,ADNI2) that have a baseline MCI-diagnosis an...
01/16/14

I wish to find all subjects with a medical history of depression; in MEDHIST.csv file there is a column entitled MHPSYCH. Does 1 correspond to, anxiety, depression, both? Is u...
01/08/14

Is it possible for me to come at my own cost and get trained in quantitative analysis of PET images using standardized software programmes at a ADNI centre in the USA
01/07/14

where is the most recent grey matter volume data for ADNIGO and 2? Thanks.
01/02/14

I want to know about detail APOE information. I know all ADNI data include *.xml file each patient. In xml file,I found below sentence. "3...
12/26/13

Dear ADNI experts, I have searched for patients with fMRI data and found that sometimes there are more than one image set for one patient in one scan. I do not understand wha...
12/13/13

I find that during different scan time, the parements are different. TE may vary from 68.3 to 68.6, while TR may fluctuate from 9150 to 13000. I am confused whether those subj...
12/02/13

Hello, I'm trying to collect data from all patients with MCI at baseline/screening from all cohorts. I used DXSUM_PDXCONV_ADNIALL but also "Advanced Search (beta)" (to acqu...
12/02/13

Dear Experts, With regard to "Updated UC Berkeley- AV45 Analysis Dataset is Now Available", I see that the data are not the same for those subjects represented in the May 1...
11/25/13

Hello, I'm interested in the ADAS total scores (ADAS11 and ADAS13 from ADAS for ADNI2/GO and from ADASSCORE for ADNI1 patients). Some ADNI1 patients end up with total score...
11/21/13

Hello, I'm interested in the ADAS scores for delayed word recall at baseline. For the ADNI1 cohort, there are 2 files that contain the data I'm looking for (ADAS 'Q4' an...
11/21/13

Dear Expert, I have downloaded the resting fMRI data with nifit style. For each file, we have 140 nii files, However, I do not know which file is the first time piont, which...
11/18/13

Hi, I'm a university student in CUHK, and I'm working on my project research. I'm having trouble finding the gradient table for the DTI scans from the Database. Could you p...
11/06/13

Can you clarify the meaning of images designated as MT1 ?
11/05/13

Hi, How may I locate all (MCI, EMCI, LMCI) patients who had an initial MRI scan as well as follow-up scans at 24months and/or later across all ADNI cohorts, please? Thanks ...
10/30/13

The csv file for Complete 3Yr 1.5T image set has images repeated at the same visit. Are these separate acquisitions, or different processing ? How are the markings, MPR/ MPR-R...
10/23/13

How can I search for images of subjects in the Cognitively Normal category?
10/18/13

Dear Support, I would like to enquire how I can assign roster IDs to ADNI genetic data? For example, if I have 153_S_4172.csv, how do I know the RID of the subject this genet...
10/13/13

Dear Experts, I am a graduate students from UNC. My current project studies the MRI images from ADNI. I don't have enough background in medical imaging ( I am CS major). ...
09/25/13

Hi, I was interested in downloading the FDG-PET images for analysis, so I searched for the coregistered, averaged FDG images in the IDA. When I went through the data, I notice...
09/16/13

We are obtaining hippocampal and entorhinal cortex volumes from the ADNIMERGE file for baseline MRIs from subjects in ADNI-1. It appears that these were obtained from the UCS...
08/13/13

Dear ADNI experts, I was wondering what the slice scan aquisition is for the resting fMRI data? (up, down, interleaved?) In the settings provided, it says "default" and I ...
08/11/13

i was looking for the variables of MRI, and i donÂ´t understand if measured diffussion, mapping ADC, I WOULD LIKE TO RECEIVE instructions about, how to understand the databa...
08/11/13

I would like to ask about information about ages of ADNI samples when they enrolled (or begun) the tests. Could you tell me which file has the information about age (or their ...
08/09/13

I have a question about ADNI sample IDs. I'd like to know how to connect FID and IID written in the plink file (ADNI_cluster_01_forward_757LONI.fam) in ADNI_1_GWAS_Plink.z...
08/09/13

The 'clielg' data set does not have column labels. Using the data dictionary I have identified a few, however, I am unable to confidently label the rest. Is there a way to get...
08/06/13

For ADNI1 FDG-PET scans, I have noticed that there are markedly fewer fully post-processed scans at months 18 and 24. That is, the last step in the post-processing pipeline (i...
07/24/13

Could you please help me out in locating the number of patients from each group (AD/MCI/controls) and each ADNI cohort (1/GO/2) that have a successful FDG-PET scan and PiB/AV-...
07/03/13

whether the 'MPRAGE repete' is just repeted to the 'MPRAGE' of a subject? Wether they have some difference ?
06/29/13

Can you explain me what really is ID?
06/27/13

Hi Genetic Core experts, I have a two-folded question. 1) Are the .csv files annotated raw files from Illumina? How do you match the SNP name with dbSNP id's? 2) Was the plin...
06/26/13

Dear sir or madam I am interested in the T1 MRI data of AD, LMCI EMCI and normal patients, are the descriptions that MPRAGE, MP-RAGE, ADNI MPRAGE and ADNI new MPRAGE same ? ...
06/26/13

Hi There I have got a few questions regarding the sharing ADNI data. 1), The downloaded data doesn't contain any raw imaging, is it correct? if so, how can I obtain the raw d...
06/16/13

When following strictly the neuropsychological scores of the inclusion criteria of ADNI 2, some LMCI subjects would be classified as EMCI, some as AD. E.g. subject 007_S_4611 ...
06/11/13

in your database we are only enrolling patients who meet certain parameters that are in different files, do you have a formula that will help us to identify patients in each d...
06/09/13

I'm viewing the axial T2 star MRI and most of them are blur, can you please tell me what might be the problem? secondly are T2 star MRI available for ADNI-1 subjects?
06/07/13

where can I find the MRI images of the subjects who were enrolled in ANDI-2 as new subjects.
06/05/13

I am attempting to download all Study Data from ADNI@LONI. In the Download Study Data page, I have clicked on ALL and checked both "Select ALL tabular data (csv format)" an...
05/21/13

Hi ADNI team, I wonder why all of 819 ADNI1 participants' SNP data could not be provided. When I downloaded the ADNI1 PLINK format data, It has 757 participants\' SNPs. Would...
05/16/13

Dear Experts: I am finding it difficult to locate the test results for the "Cognitive Testing" for ADNI-GO/2. For example, when I was working with ADNI-1 data only, I was abl...
05/16/13

I saw "Axial DTI", "Average DC", and "Fractional Aniso." in describing DTI images. What's the difference between them since the sequence info looks the same? (only difference ...
05/13/13

Dear All, may I ask you if ADNI has defined a FDG-PET cut-off value for evaluating the cerebral glucose metabolism as normal or abnormal? What variables have I look for in ord...
05/09/13

Dear All, may I ask you where I can find the 103 baseline PIB-PET data regarding 19 elderly cognitevely normal controls, 65 MCI subjects and 19 AD subjects, cited in the paper...
05/09/13

I'm an employee at LONI, currently using the ADNI2 subset for DTI analysis. I realized that ADNI2 participants weren't genotyped using the Illumina Quad-Core 610 Bead Chip. Wh...
04/25/13

I am trying to find the BDNF information (Homo, Hetro, non-carrier) for the ADNI data. The plink file under 'Genotype information' tab does not have the ped/map files. Could ...
04/23/13

Hi ADNI team, I would like to get the Whole Brain Volume (WBV) from all ADNI I subjects with FreeSurfer Cross-Sectional and Longitudinal. So I am using the UCSF-FSL (FreeSurf...
04/22/13

Do we have ApoE genotyping for all ADNI 1 study participants? And what is GWAS?
04/11/13

Is it possible to determine whether some of the early MCI patients enrolled under ADNIGO/2 already converted to the stage of late MCI during the trial course. Are these diagno...
04/11/13

Experts Knowledge Base

Core Q&As

All Cores Q&As