Multigenerational Households During Childhood and Trajectories of Cognitive Functioning Among U.S. Older Adults.

Grandparent coresidence may cultivate a socially enriched home environment, providing resources and protection for early cognitive development that could persist throughout life. Multigenerational living arrangements are likely to increase as the contemporary population ages. More research needs to be done to understand the impact of these living arrangements on future generations' brain health and cognitive aging.