DATA DICTIONARYThis search queries the ADNI data dictionary. Enter terms or codes used in the dictionary for a definition, or enter search terms to locate data within the archive.
ACTIVE INVESTIGATIONSSearch for current projects using the investigator's name, institution, or keywords.
EXPERTS KNOWLEDGE BASEEnter keywords to search a list of questions and answers received and processed by the ADNI team.
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1 October 2007 All HRRT PET scans from sites 029 and 128 performed prior to the posted data recall advisory have been reworked. One HRRT PET scan has been reworked from site... Read More>
8 May 2007 There exists a software bug in OSEM reconstruction for Siemens BioGraph HiRez PET/CT scanners. Depending upon the circumstances, this artifact can be quite minor or can be quite substantial.... Read More>
2 April 2007 A fourth ADNI site has just replaced their PET scanner (the other 3 sites are listed under "Old Warnings"). As mentioned below, investigators should be aware of resolution differences... Read More>