Alzheimer’s Disease Neuroimaging Initiative

FreeSurfer version used for longitudinal processing

29 November 2010
There has been some confusion as to which version of FreeSurfer was used to process ADNI 1 (1.5T) longitudinal data. The XML which accompanies the FreeSurfer brain masks indicates...
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Updated Recall Speadsheet for MR Images Now Available to Researchers

8 March 2010
The MRI Core has consolidated their image recalls into one Excel spreadsheet to allow researchers to quickly identify, modify or discard images from their study that are no longer...
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Incorrect GE Gradients used for Gradient Warping Correction

5 June 2008
Please discard any preprocessed GW data from the subjects and scan dates below that were downloaded from LONI before 06/01/2007.
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Preprocessed Image Recalls – 06/05/08

5 June 2008
A discrepancy was found in the phantom scaling.
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New Biomarker Data Available

4 February 2008
New biomarker data is available for download. Authorized ADNI users may obtain this data by clicking the “Access Clinical Data Archive” link from the Clinical Data page. If you...
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Masks

4 October 2007
Masks created by the MR Core as part of preprocessing are useful for performing N3 correction and are not brain masks. Therefore, the description of these masks has been...
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Preprocessed Image Recalls – 10/3/07

3 October 2007
Please discard any preprocessed scaled data from the subjects and scan dates below that were downloaded from LONI before 10/03/2007.
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Data Recall Advisory

3 October 2007
From time to time, our PET Quality Control process identifies data as faulty that have already been posted and downloaded by users. We are not able to notify individual...
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ADNI MRI Recall

3 October 2007
Occasionally, the MR Core identifies preprocessed data through the Quality Control Process that is incorrect. In such cases, the MR Core, through LONI, will make an attempt to contact...
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Siemens HRRT PET scan warnings

8 May 2007
Two issues exist with Siemens HRRT PET images.
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Data News & Spreadsheets

Data recalls have been consolidated into PET and MRI spreadsheets. The MRI and PET Core also posts updates in the News section.

MR Consolidated Recalls Spreadsheet

Contact for MRI Advisories
Contact for PET Advisories

Data Recall

Occasionally, the Quality Control Process identifies data as incorrect. We will make an attempt to contact institutions that have downloaded faulty data, however we may not always be able to notify individual investigators of these problems. Therefore it is advised that investigators using ADNI data subscribe to our email system or visit the Data News and Recalls page. To subscribe, please enter your email address, first and last name in the form above. If you do not receive a confirmation email for your subscription, please check your spam folder or contact us at webmaster@loni.usc.edu. By subscribing to ADNI News, you agree to our privacy policy.

ADNI News Category | IDA & Informatics Core

Data News & Spreadsheets

Data Recall