Adult Changes in Thought Study

ACT Study Visit Data

Study Visit Data.png Data Description

Participants in the Adult Changes in Thought (ACT) study complete a study visit where standardized measures and forms are collected approximately every 2 years (biennially) until dementia diagnosis, death, or study withdrawal. If a participant receives a dementia diagnosis, they begin an annual visit track.

For details on study visit data elements, see:

Biennial Study Visit Data

Annual Study Visit Data