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Dyadic contagion in cognitive function: A nationally-representative longitudinal study of older U.S. couples.
1Department of Sociology, McGill University, Montreal, Quebec, Canada.
Social Science Research
|May 19, 2024
Summary
Partners
Area of Science:
- Gerontology
- Cognitive Neuroscience
- Social Psychology
Background:
- Later-life cognitive function is influenced by environmental factors, particularly a partner's attributes and cognitive status.
- Social allostasis theory predicts mutual influence, or "contagion," in cognitive function within dyads.
Purpose of the Study:
- To investigate dyadic cognitive contagion and coupled cognitive careers in older adults.
- To examine the long-term and short-term patterns of mutual influence on cognitive function between partners.
Main Methods:
- Utilized fixed-effects cross-lagged panel modeling (FE-CLPM) with ten-year data from the Health and Retirement Study.
- Analyzed nationally-representative data from U.S. adults over 50.
Main Results:
- Supported dyadic cognitive contagion over the long-term, but not the short-term.
- Observed potential "cognitive cycling" in the short-term for both men and women.
- Found cumulative cognitive improvements, particularly in men, due to recurrent partner influence.
Conclusions:
- Results support a model of coupled "cognitive careers" and relational inducement of allostatic load.
- Suggests the value of repeated interventions for cognitive enhancement, especially in men.
- Highlights the significant role of partner influence on cognitive trajectories in later life.
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