Neuroimaging

ADNI collects a number of cognitive assessments and questionnaires for in-clinic participants. These have changed over time, please see the table below for list of assessments and availability across phases.
Additionally, participants receive a physical exam (i.e. vital signs, comprehensive physical, etc.) and a neurological exam at every in-clinic visit.
In-clinic participants are required to have a study partner. The study partner also answers a limited number of questionnaires about the participant, see table below.

PET
 

PET

MRI
 

MRI

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2025 Alzheimer’s Disease Neuroimaging Initiative
This website is funded by the Alzheimer’s Disease Neuroimaging Initiative