Participating in a broad and balanced range of daily activities (i.e., activity diversity) has been associated with better cognitive functioning in later life. One possible explanation for this finding is that high levels of activity diversity are merely a proxy for being more physically active, a factor robustly linked to cognitive health. The present study examined whether activity diversity has a unique association with cognitive functioning beyond physical movement. Community-dwelling older adults ( = 252, = 73.55 years, = 6.39) completed a cognitive battery and then responded to ecological momentary assessments of their participation in 10 common activity types (e.g., reading, chores, social visits) every 3 hr for 5-6 days. They also wore accelerometers to track daily physical movement. Multiple regression models revealed that greater diversity in daily activities was related to higher cognitive functioning even after adjusting for physical movement and other covariates such as education level. This study further clarifies the unique relationship of activity diversity, beyond physical movement, with cognition. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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