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ADNI Archives

2008
Processing Sites Updates
MRI Core
1 November 2008

This is the latest update for processing sites that addresses which scan to use if the site did two scans for a particular timepoint. Click here to download the...
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Scaled 2 Uploads
MRI Core
1 October 2008

As of 10/01/2008 pre-processed files uploaded to LONI from Mayo may be labeled as either *_scaled or *_scaled_2. Scaled_2 files were rescaled by disabling the scaling on the axis...
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Incorrect GE Gradients used for Gradient Warping Correction
IDA & Informatics Core
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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Duplicate Scaled Images
IDA & Informatics Core
5 June 2008

A number of scaled images were uploaded in duplicate. They have now been deleted.
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Preprocessed Image Recalls – 06/05/08
IDA & Informatics Core
5 June 2008

A discrepancy was found in the phantom scaling.
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Philips Scanners Image Scaling
IDA & Informatics Core
4 June 2008

The ADNI MRI core has uncovered a potential concern about the accuracy of image scaling in the frequency encode direction on Philips 1.5T systems.
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ADNI: MRI Methods
MRI Core
21 April 2008

“Magnetic resonance imaging (MRI), (18F)-fluorodeoxyglucose positron emission tomography (FDG PET), urine serum, and cerebrospinal fluid (CSF) biomarkers, as well as clinical/psychometric assessments are acquired at multiple time points. All...
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Human Amyloid Imaging Conference, April 11, 2008 Chicago
Administrative Core
4 February 2008

Recent findings in the field of human amyloid imaging will be presented and discussed.
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New Biomarker Data Available
IDA & Informatics Core
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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Recalled ADNI PET scans replaced with new re-worked images
IDA & Informatics Core
4 January 2008

The original raw and processed PET images for the BV visit FDG scan for subjects 128_S_1407 and 128_S_1408 contained reconstruction artifacts resulting from a problematic attenuation correction. When the...
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