Inter-group conflict affects inter-brain synchrony during synchronized movements

Interpersonal synchrony refers to alignment in time of interacting individuals. Recent neuroimaging findings indicate that the inferior frontal gyrus (IFG) — a core region of the observation-execution system — is not only activated during tasks that involve synchrony, but also coupled between intera...

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Autores principales:	H. Nathan Gamliel, M. Nevat, H. Z. Gvirts Probolovski, M. Karklinsky, S. Han, S.G. Shamay-Tsoory
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/d44213c402c44d5892d873a5a2880a14
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spelling	oai:doaj.org-article:d44213c402c44d5892d873a5a2880a142021-11-28T04:28:53ZInter-group conflict affects inter-brain synchrony during synchronized movements1095-957210.1016/j.neuroimage.2021.118661https://doaj.org/article/d44213c402c44d5892d873a5a2880a142021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1053811921009344https://doaj.org/toc/1095-9572Interpersonal synchrony refers to alignment in time of interacting individuals. Recent neuroimaging findings indicate that the inferior frontal gyrus (IFG) — a core region of the observation-execution system — is not only activated during tasks that involve synchrony, but also coupled between interaction partners, suggesting a key role for the IFG in mediating interpersonal synchrony. In this study we investigated whether inter-brain synchrony (IBS) is modulated by inter-group relationships. We examined this question in the context of the Israeli-Palestinian conflict — one of the world's most prolonged and intractable conflicts. Using functional Near Infra-Red Spectroscopy (fNIRS) hyperscanning, we measured IBS among ingroup vs. inter-group dyads (same-nationality dyads and Jewish-Palestinian dyads, respectively) while they performed a task entailing 2D movement synchrony. The results point to an increase in behavioral synchrony and greater enjoyment in the ingroup dyads, compared to the inter-group dyads. Critically, IBS in the left IFG significantly increased throughout task and it was higher among ingroup compared to inter-group dyads. Our findings highlight the effect of group membership on IBS plasticity.H. Nathan GamlielM. NevatH. Z. Gvirts ProbolovskiM. KarklinskyS. HanS.G. Shamay-TsooryElsevierarticleNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENNeuroImage, Vol 245, Iss , Pp 118661- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 H. Nathan Gamliel M. Nevat H. Z. Gvirts Probolovski M. Karklinsky S. Han S.G. Shamay-Tsoory Inter-group conflict affects inter-brain synchrony during synchronized movements
description	Interpersonal synchrony refers to alignment in time of interacting individuals. Recent neuroimaging findings indicate that the inferior frontal gyrus (IFG) — a core region of the observation-execution system — is not only activated during tasks that involve synchrony, but also coupled between interaction partners, suggesting a key role for the IFG in mediating interpersonal synchrony. In this study we investigated whether inter-brain synchrony (IBS) is modulated by inter-group relationships. We examined this question in the context of the Israeli-Palestinian conflict — one of the world's most prolonged and intractable conflicts. Using functional Near Infra-Red Spectroscopy (fNIRS) hyperscanning, we measured IBS among ingroup vs. inter-group dyads (same-nationality dyads and Jewish-Palestinian dyads, respectively) while they performed a task entailing 2D movement synchrony. The results point to an increase in behavioral synchrony and greater enjoyment in the ingroup dyads, compared to the inter-group dyads. Critically, IBS in the left IFG significantly increased throughout task and it was higher among ingroup compared to inter-group dyads. Our findings highlight the effect of group membership on IBS plasticity.
format	article
author	H. Nathan Gamliel M. Nevat H. Z. Gvirts Probolovski M. Karklinsky S. Han S.G. Shamay-Tsoory
author_facet	H. Nathan Gamliel M. Nevat H. Z. Gvirts Probolovski M. Karklinsky S. Han S.G. Shamay-Tsoory
author_sort	H. Nathan Gamliel
title	Inter-group conflict affects inter-brain synchrony during synchronized movements
title_short	Inter-group conflict affects inter-brain synchrony during synchronized movements
title_full	Inter-group conflict affects inter-brain synchrony during synchronized movements
title_fullStr	Inter-group conflict affects inter-brain synchrony during synchronized movements
title_full_unstemmed	Inter-group conflict affects inter-brain synchrony during synchronized movements
title_sort	inter-group conflict affects inter-brain synchrony during synchronized movements
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/d44213c402c44d5892d873a5a2880a14
work_keys_str_mv	AT hnathangamliel intergroupconflictaffectsinterbrainsynchronyduringsynchronizedmovements AT mnevat intergroupconflictaffectsinterbrainsynchronyduringsynchronizedmovements AT hzgvirtsprobolovski intergroupconflictaffectsinterbrainsynchronyduringsynchronizedmovements AT mkarklinsky intergroupconflictaffectsinterbrainsynchronyduringsynchronizedmovements AT shan intergroupconflictaffectsinterbrainsynchronyduringsynchronizedmovements AT sgshamaytsoory intergroupconflictaffectsinterbrainsynchronyduringsynchronizedmovements
_version_	1718408410084409344

Inter-group conflict affects inter-brain synchrony during synchronized movements

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