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首页> 外文期刊>Neuropsychology >Social Network Characteristics and Cognitive Functioning in Ethnically Diverse Older Adults: The Role of Network Size and Composition
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Social Network Characteristics and Cognitive Functioning in Ethnically Diverse Older Adults: The Role of Network Size and Composition

机译：种族多样化成年人的社会网络特征与认知功能：网络尺寸和构图的作用

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Objectives: Social engagement has been linked to preserved cognitive functioning in later life. While social engagement is often operationalized as social network size, social networks can vary not only in size, but also in composition. Previous work has found that having a greater proportion of family in a network is associated with worse socioemotional and cognitive outcomes compared to having a greater proportion of friends. In addition, social resources may differentially affect cognition in minority groups at higher risk of cognitive impairment. Therefore, the current study aimed to examine racial/ethnic differences in the relationship between network characteristics and cognition. Method: Ethnically and racially diverse older adults from the Washington Heights-Inwood Columbia Aging Project (n = 548, 60-93 years) were used. Multiple regressions were conducted to examine the effects of ethnicity/race, size, composition, and their interaction on global cognition. Results: Analyses revealed that networks with a greater proportion of friends were associated with better global cognition than networks with a greater proportion of family. Additionally, larger social network size was only associated with better global cognition among individuals who had a greater proportion of friends in their networks. Race further moderated this effect, as it was limited to African Americans. Discussion: Overall, these findings highlight the importance of looking at both composition and size when examining the relationship between social network characteristics and global cognition. These findings suggest that friendships may be especially important and further suggest that social network characteristics and cognitive aging may be more strongly related among African Americans.
机译：目标：社会参与与后期生活中的认知功能有关。虽然社会参与通常是作为社交网络规模的运作，但社交网络不仅可以含义，而且可以在构图中变化。以前的工作已经发现，与拥有更大比例的朋友相比，在网络中具有更大比例的家庭与更严重的社会间谍和认知结果相关。此外，社会资源可能差异地影响少数民族群体的认知，以更高的认知障碍风险。因此，目前的研究旨在研究网络特征与认知之间关系的种族/民族差异。方法：使用来自华盛顿高地哥伦比亚哥伦比亚老化项目（N = 548,60-93岁）的种族和种族繁多的老年人。进行多元回归以检查种族/种族，大小，组成及其对全球认知的互动的影响。结果：分析显示，具有更大比例的朋友的网络与具有更大比例的网络的全球知识相关联。此外，较大的社交网络规模只与他们在网络中有更大比例的朋友的个人之间的全球认知相关联。比赛进一步调节了这种效果，因为它仅限于非洲裔美国人。讨论：总体而言，这些发现突出了在检查社会网络特征与全球认知之间的关系时看着构成和大小的重要性。这些调查结果表明，友谊可能尤为重要，进一步表明社交网络特征和认知老龄化可能与非洲裔美国人更强烈的相关性。

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