This repository is under review for potential modification in compliance with Administration directives. Close 
A large part of the success of the ADNI study rests on the consistency of data collection and processing. To guarantee this success, the cores and PIs have created uniform procedures and protocols to be used by researchers participating in the study.
Documents are also available to registered users in the ADNI data archive. The list below includes commonly used documents and may be used as a reference for data users.
Details about the clinical assessments can be found in the following documents:
Due to serious data quality concerns, all data with PTIDs containing the format 381_S_10### will be removed from the ADNI data repository. ADNI leadership strongly advises that data with these PTIDs not be used in any data analysis, submission of abstracts, or publications. Furthermore, ADNI leadership requests that any abstracts or papers which have been submitted using this data be appropriately revised due to concerns with data quality. More information click here.