Help & FAQS

Documentation

Help and Documentation manual and PDF

Frequently Asked Questions

Finding & interpret data, user account, study

Ask The Experts

Expert Knowledge base and Core Q&AS

Documentation

Study Documents page if you’re looking for study schedules or documents.

Background & Rationale page if you’re looking for details about study cohorts.

Study Design page if you’re looking for an overview of ADNI and its phases.

ADNI3 page if you’re looking for updates on ADNI3.

Using the Data Archive

The Image & Data Archive (IDA)
is a user-friendly environment to archive, search, share, track and obtain ADNI data. A valid user account and an approved ADNI Data Use Application are required to access the ADNI images and data.

Access Data page – Please review for more information on obtaining access to ADNI data.

User Manual

IDA User Manual – to learn how to search, share, download, batch archive, and manage/obtain ADNI data. There are also instructions for logging in and managing users.

Training Sessions

ADNI provides online data training sessions to introduce users to navigating the data archive, using visualization tools and finding relevant materials on this site or related websites.
ADNI Biostatistics core host sessions and will be announced in News section of this site.

ADNI Data Training Slides

ADNI Image Collections Database Instruction

Commonly ADNI Used Tables

Common Issues Working with ADNI data

Contact Us if you are interested in corresponding about a specific data type, contact the respective ADNI Core on the webpage.

Frequently Asked Questions

Ask the Experts by Category

Core Q&As

Clinical Core Q&A

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

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 - 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

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

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

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

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

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

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

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

2024 Alzheimer’s Disease Neuroimaging Initiative

This website is funded by the Alzheimer’s Disease Neuroimaging Initiative