Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness

Abstract Social networks are known to protect cognitive function in old age. For the first time, this study examines how social network size and social network embeddedness measured by k-core score are associated with functional connectivity in the brain using the complete social network of an entir...

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Autores principales:	Won-tak Joo, Seyul Kwak, Yoosik Youm, Jeanyung Chey
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/40458b4e837645e59e61356f146b16ab
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spelling	oai:doaj.org-article:40458b4e837645e59e61356f146b16ab2021-12-02T15:05:59ZBrain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness10.1038/s41598-017-04904-12045-2322https://doaj.org/article/40458b4e837645e59e61356f146b16ab2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04904-1https://doaj.org/toc/2045-2322Abstract Social networks are known to protect cognitive function in old age. For the first time, this study examines how social network size and social network embeddedness measured by k-core score are associated with functional connectivity in the brain using the complete social network of an entire village. According to the results, social network size has both positive and negative associations with functional connectivity; showing no meaningful pattern relative to distance among brain regions. However, older adults deeply embedded in the complete network tend to maintain functional connectivity between long-distance regions even after controlling for other covariates such as age, gender, education, and Mini-Mental State Examination score. Network Based Statistics (NBS) also revealed strong and consistent evidence that social network embeddedness has component-level associations with functional connectivity among brain regions, especially between inferior prefrontal and occipital/parietal lobes.Won-tak JooSeyul KwakYoosik YoumJeanyung CheyNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Won-tak Joo Seyul Kwak Yoosik Youm Jeanyung Chey Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
description	Abstract Social networks are known to protect cognitive function in old age. For the first time, this study examines how social network size and social network embeddedness measured by k-core score are associated with functional connectivity in the brain using the complete social network of an entire village. According to the results, social network size has both positive and negative associations with functional connectivity; showing no meaningful pattern relative to distance among brain regions. However, older adults deeply embedded in the complete network tend to maintain functional connectivity between long-distance regions even after controlling for other covariates such as age, gender, education, and Mini-Mental State Examination score. Network Based Statistics (NBS) also revealed strong and consistent evidence that social network embeddedness has component-level associations with functional connectivity among brain regions, especially between inferior prefrontal and occipital/parietal lobes.
format	article
author	Won-tak Joo Seyul Kwak Yoosik Youm Jeanyung Chey
author_facet	Won-tak Joo Seyul Kwak Yoosik Youm Jeanyung Chey
author_sort	Won-tak Joo
title	Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
title_short	Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
title_full	Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
title_fullStr	Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
title_full_unstemmed	Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
title_sort	brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/40458b4e837645e59e61356f146b16ab
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Brain functional connectivity difference in the complete network of an entire village: the role of social network size and embeddedness

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