TABLE 1.

Past history of ADNI

Grant	Period	Primary measures and added components
ADNI1	2004‐2010	Infrastructure, cognitive testing, MRI, FDG‐PET, CSF, genetics, PiB amyloid PET (piloted)
ADNI‐GO	2009‐2012	Early MCI, florbetapir amyloid PET
ADNI2	2010‐2016	SMC, Neuropathology Core, CogState (piloted), flortaucipir tau PET (piloted)
ADNI3	2016‐2022	FCI, flortaucipir tau PET, florbetaben amyloid PET, CogState
ADNI4	2022‐2027	Engagement Core, culturally engaged approaches to recruitment and retention, digital cohort with online screening, remote blood cohort, multiple PET tracers