ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.

Behavioural contagion-the onset of a species-typical behaviour soon after witnessing it in a conspecific-forms the foundation of behavioural synchrony and cohesive group living in social animals. Although past research has mostly focused on negative emotions or neutral contexts, the sharing of posit...

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Main Authors: Georgia Sandars, Jake S Brooker, Zanna Clay
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2024-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0312467
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author Georgia Sandars
Jake S Brooker
Zanna Clay
author_facet Georgia Sandars
Jake S Brooker
Zanna Clay
author_sort Georgia Sandars
collection DOAJ
description Behavioural contagion-the onset of a species-typical behaviour soon after witnessing it in a conspecific-forms the foundation of behavioural synchrony and cohesive group living in social animals. Although past research has mostly focused on negative emotions or neutral contexts, the sharing of positive emotions in particular may be key for social affiliation. We investigated the contagion of two socially affiliative interactive behaviours, grooming and play, in chimpanzees. We collected naturalistic observations of N = 41 sanctuary-living chimpanzees at Chimfunshi Wildlife Orphanage, conducting focal follows of individuals following observations of a grooming or play bout, compared with matched controls. We then tested whether the presence and latency of behavioural contagion was influenced by age, sex, rank, and social closeness. Our results offer evidence for the presence of grooming and play contagion in sanctuary-living chimpanzees. Grooming contagion appeared to be influenced by social closeness, whilst play contagion was more pronounced in younger individuals. These findings emphasise that contagion is not restricted to negatively valenced or self-directed behaviours, and that the predictors of contagious behaviour are highly specific to the behaviour and species in question. Examining the factors that influence this foundational social process contributes to theories of affective state matching and is key for understanding social bonding and group dynamics.
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spelling doaj-art-1ce0203089c744569e32e96155673b0e2024-11-25T05:31:37ZengPublic Library of Science (PLoS)PLoS ONE1932-62032024-01-011911e031246710.1371/journal.pone.0312467ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.Georgia SandarsJake S BrookerZanna ClayBehavioural contagion-the onset of a species-typical behaviour soon after witnessing it in a conspecific-forms the foundation of behavioural synchrony and cohesive group living in social animals. Although past research has mostly focused on negative emotions or neutral contexts, the sharing of positive emotions in particular may be key for social affiliation. We investigated the contagion of two socially affiliative interactive behaviours, grooming and play, in chimpanzees. We collected naturalistic observations of N = 41 sanctuary-living chimpanzees at Chimfunshi Wildlife Orphanage, conducting focal follows of individuals following observations of a grooming or play bout, compared with matched controls. We then tested whether the presence and latency of behavioural contagion was influenced by age, sex, rank, and social closeness. Our results offer evidence for the presence of grooming and play contagion in sanctuary-living chimpanzees. Grooming contagion appeared to be influenced by social closeness, whilst play contagion was more pronounced in younger individuals. These findings emphasise that contagion is not restricted to negatively valenced or self-directed behaviours, and that the predictors of contagious behaviour are highly specific to the behaviour and species in question. Examining the factors that influence this foundational social process contributes to theories of affective state matching and is key for understanding social bonding and group dynamics.https://doi.org/10.1371/journal.pone.0312467
spellingShingle Georgia Sandars
Jake S Brooker
Zanna Clay
ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.
PLoS ONE
title ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.
title_full ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.
title_fullStr ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.
title_full_unstemmed ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.
title_short ChimpanSEE, ChimpanDO: Grooming and play contagion in chimpanzees.
title_sort chimpansee chimpando grooming and play contagion in chimpanzees
url https://doi.org/10.1371/journal.pone.0312467
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