Gray Matter Volume Covariance Networks, Social Support, and Cognition in Older Adults.

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
Kelly CottonHelena M Blumen

Abstract

We examined the neural substrates of social support in older adults. Social support is associated with better outcomes in many facets of aging-including cognitive and functional health-but the underlying neural substrates remain largely unexplored. Voxel-based morphometry and multivariate statistics were used to identify gray matter volume covariance networks associated with social support in 112 older adults without dementia (M age = 74.6 years, 50% female), using the Medical Outcomes Study Social Support Survey. A gray matter network associated with overall social support was identified and included prefrontal, hippocampal, amygdala, cingulate, and thalamic regions. A gray matter network specifically associated with tangible social support (e.g., someone to help you if you were confined to bed) was also identified, included prefrontal, hippocampal, cingulate, insular, and thalamic regions, and correlated with memory and executive function. Gray matter networks associated with overall and tangible social support in this study were composed of regions previously associated with memory, executive function, aging, and dementia. Longitudinal research of the interrelationships between social support, brain structure, and cognition ...Continue Reading

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Citations

May 28, 2020·Frontiers in Psychology·Bianca P AcevedoLucy L Brown
Nov 22, 2020·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Cynthia FelixAndrea L Rosso
Nov 8, 2020·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Anne-Nicole S CaseyHenry Brodaty
Oct 17, 2021·The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences·Brea L PerryLiana G Apostolova

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