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A Life Course Perspective on Cognitive Aging: The Interplay between Early and Later Life Stimulating Environments
Siyun Peng1,2, Brea Perry2
1University of South Florida, Tampa, FL, USA.
None:
A gap in the literature on social determinants of cognitive aging is the lack of focus on the interplay of cognitively stimulating environments across the life course. This study uses a life course perspective to propose and examine potential interaction and mediation effects between early and later life stimulating environments. Using rich cognitive assessments and egocentric network data from the state-representative Person to Person Health Interview Study (N = 685) conducted in Indiana, we find that associations between social bridging network (later life stimulating environments) and cognitive outcomes are strongest for people with less than a high school education (early life stimulating environments), constituting a moderating compensatory leveling effect rather than an added protection effect. Regarding mediation, we find no evidence of a cumulative (dis)advantage effect in the context of cognitive aging. Overall, this study presents a useful theoretical framework to study the interplay of cognitively stimulating environments across the life course.
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