Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy

Abstract The present study examined neural substrates underlying turn-based cooperation and competition in a real two-person situation. We simultaneously measured pairs of participants’ activations in their bilateral frontal, temporal, and parietal regions using a 96-channel near-infrared spectrosco...

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Autores principales:	Tao Liu, Godai Saito, Chenhui Lin, Hirofumi Saito
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/dc9a07d2d2234773a16347ed000220e0
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spelling	oai:doaj.org-article:dc9a07d2d2234773a16347ed000220e02021-12-02T16:06:45ZInter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy10.1038/s41598-017-09226-w2045-2322https://doaj.org/article/dc9a07d2d2234773a16347ed000220e02017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-09226-whttps://doaj.org/toc/2045-2322Abstract The present study examined neural substrates underlying turn-based cooperation and competition in a real two-person situation. We simultaneously measured pairs of participants’ activations in their bilateral frontal, temporal, and parietal regions using a 96-channel near-infrared spectroscopy (NIRS) system, when participants played a turn-taking disk-game on a computer. NIRS data demonstrated significant inter-brain neural synchronization (INS) across participant pairs’ right posterior superior temporal sulcus (pSTS) in both the cooperation and competition conditions, and the competition condition also involved significant INS in the right inferior parietal lobule (IPL). In addition, competitive dyads’ INS in the bilateral inferior frontal gyrus (IFG) may play as a role of mediation in relationship between their empathy score and disk-manipulation latency, but cooperative dyads’ INS did not. These results suggest that first the right pSTS may be commonly involved in both cooperation and competition due to task demands of joint attention and intention understanding, while the right IPL may be more important for competition due to additional requirements of mentalizing resources in competing contexts. Second, participants’ empathy may promote INS in the bilateral IFG across competitors, and in turn affect their competitive performance.Tao LiuGodai SaitoChenhui LinHirofumi SaitoNature 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 Tao Liu Godai Saito Chenhui Lin Hirofumi Saito Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy
description	Abstract The present study examined neural substrates underlying turn-based cooperation and competition in a real two-person situation. We simultaneously measured pairs of participants’ activations in their bilateral frontal, temporal, and parietal regions using a 96-channel near-infrared spectroscopy (NIRS) system, when participants played a turn-taking disk-game on a computer. NIRS data demonstrated significant inter-brain neural synchronization (INS) across participant pairs’ right posterior superior temporal sulcus (pSTS) in both the cooperation and competition conditions, and the competition condition also involved significant INS in the right inferior parietal lobule (IPL). In addition, competitive dyads’ INS in the bilateral inferior frontal gyrus (IFG) may play as a role of mediation in relationship between their empathy score and disk-manipulation latency, but cooperative dyads’ INS did not. These results suggest that first the right pSTS may be commonly involved in both cooperation and competition due to task demands of joint attention and intention understanding, while the right IPL may be more important for competition due to additional requirements of mentalizing resources in competing contexts. Second, participants’ empathy may promote INS in the bilateral IFG across competitors, and in turn affect their competitive performance.
format	article
author	Tao Liu Godai Saito Chenhui Lin Hirofumi Saito
author_facet	Tao Liu Godai Saito Chenhui Lin Hirofumi Saito
author_sort	Tao Liu
title	Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy
title_short	Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy
title_full	Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy
title_fullStr	Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy
title_full_unstemmed	Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy
title_sort	inter-brain network underlying turn-based cooperation and competition: a hyperscanning study using near-infrared spectroscopy
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/dc9a07d2d2234773a16347ed000220e0
work_keys_str_mv	AT taoliu interbrainnetworkunderlyingturnbasedcooperationandcompetitionahyperscanningstudyusingnearinfraredspectroscopy AT godaisaito interbrainnetworkunderlyingturnbasedcooperationandcompetitionahyperscanningstudyusingnearinfraredspectroscopy AT chenhuilin interbrainnetworkunderlyingturnbasedcooperationandcompetitionahyperscanningstudyusingnearinfraredspectroscopy AT hirofumisaito interbrainnetworkunderlyingturnbasedcooperationandcompetitionahyperscanningstudyusingnearinfraredspectroscopy
_version_	1718384872687403008

Inter-brain network underlying turn-based cooperation and competition: A hyperscanning study using near-infrared spectroscopy

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