Anne C Krendl, Lucas J Hamilton, Liana G Apostolova, Brea L Perry
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引用次数: 0
Abstract
Objective: Social connectedness is a modifiable lifestyle factor that delays age-related cognitive decline. Using cross-sectional, longitudinal, and experimental approaches, we examined whether theory of mind-inferring what others think or feel-is a potential mechanism underlying this relationship.
Methods: In Study 1, 305 community-dwelling older adults participating in two different, but related, studies completed comprehensive measures of general cognition, theory of mind, and personal social networks. We examined whether theory of mind mediated the relationship between older adults' social connectedness and cognition. One hundred and ten of those participants completed follow-up social network interviews and cognitive assessments about 1.5 years later to determine whether baseline social connectedness and theory of mind predicted cognitive change. In Study 2, 55 other older adults completed a procedural discourse task targeting a close and distant network member. We predicted that higher theory of mind would be reflected through providing more details to distant, versus close, others, especially among older adults with larger, less interconnected, personal social networks.
Results: Results revealed that theory of mind accounted for 32% of the relationship between social connectedness and overall cognition, even when covarying age, gender, education, and a control task. The effects were particularly robust for episodic memory and language. Longitudinal analyses replicated this pattern. In Study 2, older adults with larger, less dense social networks provided more details to distant versus very close network members.
Discussion: Together, these results suggest that theory of mind may provide the mechanism through which social connectedness confers cognitive resilience associated with slower cognitive decline.
期刊介绍：
The Journal of Gerontology: Psychological Sciences publishes articles on development in adulthood and old age that advance the psychological science of aging processes and outcomes. Articles have clear implications for theoretical or methodological innovation in the psychology of aging or contribute significantly to the empirical understanding of psychological processes and aging. Areas of interest include, but are not limited to, attitudes, clinical applications, cognition, education, emotion, health, human factors, interpersonal relations, neuropsychology, perception, personality, physiological psychology, social psychology, and sensation.
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