When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network

The aim of this study was to examine differences in the neural processing of social information about kin and friends at different levels of closeness and social network level. Twenty-five female participants engaged in a cognitive social task involving different individuals in their social network...

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Main Authors: Wlodarski, R, Dunbar, R
Format: Journal article
Published: Oxford University Press 2016
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author Wlodarski, R
Dunbar, R
author_facet Wlodarski, R
Dunbar, R
author_sort Wlodarski, R
collection OXFORD
description The aim of this study was to examine differences in the neural processing of social information about kin and friends at different levels of closeness and social network level. Twenty-five female participants engaged in a cognitive social task involving different individuals in their social network while undergoing functional magnetic resonance imaging scanning to detect BOLD (Blood Oxygen Level Dependent) signals changes. Greater levels of activation occurred in several regions of the brain previously associated with social cognition when thinking about friends than when thinking about kin, including the posterior cingulate cortex (PCC) and the ventral medial prefrontal cortex (vMPFC). Linear parametric analyses across network layers further showed that, when it came to thinking about friends, activation increased in the vMPFC, lingual gyrus, and sensorimotor cortex as individuals thought about friends at closer layers of the network. These findings suggest that maintaining friendships may be more cognitively exacting than maintaining kin relationships.
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spelling oxford-uuid:0f9d7bf8-7534-4cf7-be95-d79f285f1fe02022-03-26T09:52:09ZWhen BOLD is thicker than water: processing social information about kin and friends at different levels of the social networkJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:0f9d7bf8-7534-4cf7-be95-d79f285f1fe0Symplectic Elements at OxfordOxford University Press2016Wlodarski, RDunbar, RThe aim of this study was to examine differences in the neural processing of social information about kin and friends at different levels of closeness and social network level. Twenty-five female participants engaged in a cognitive social task involving different individuals in their social network while undergoing functional magnetic resonance imaging scanning to detect BOLD (Blood Oxygen Level Dependent) signals changes. Greater levels of activation occurred in several regions of the brain previously associated with social cognition when thinking about friends than when thinking about kin, including the posterior cingulate cortex (PCC) and the ventral medial prefrontal cortex (vMPFC). Linear parametric analyses across network layers further showed that, when it came to thinking about friends, activation increased in the vMPFC, lingual gyrus, and sensorimotor cortex as individuals thought about friends at closer layers of the network. These findings suggest that maintaining friendships may be more cognitively exacting than maintaining kin relationships.
spellingShingle Wlodarski, R
Dunbar, R
When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network
title When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network
title_full When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network
title_fullStr When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network
title_full_unstemmed When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network
title_short When BOLD is thicker than water: processing social information about kin and friends at different levels of the social network
title_sort when bold is thicker than water processing social information about kin and friends at different levels of the social network
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