Interpersonal brain synchronization during face-to-face economic exchange between acquainted dyads
Interpersonal brain synchronization during face-to-face economic exchange between acquainted dyads
复制标题
熟悉的情侣之间面对面的经济交流中的人际大脑同步
DOI：
10.1101/2021.12.20.473563
复制
发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Hiwa Satoru
中科院分区：
文献类型：
--
作者：
Kikuchi Yuto;Tanioka Kensuke;Hiroyasu Tomoyuki;Hiwa Satoru
人际脑同步(IBS)是在社会交往中观察到的，涉及到各种因素，如对伴侣的熟悉程度和社会活动的类型。之前的一项研究表明，两个陌生人面对面的互动会增加IBS。然而，当互动伙伴的性质不同时，是否能观察到这一点尚不清楚。在这里，我们的目标是将这些发现推广到一对熟人身上。采用功能性近红外光谱超扫描技术记录额、颞区的神经活动。参与者玩了一个最后通牒游戏，要求在两个实验环境中进行虚拟经济交流：面对面和面对面受阻的条件。随机配对分析证实IBS是否由社会互动引起。与前述研究相反，我们的结果没有显示出任何合作行为或任务诱导的IBS增加。相反，随机配对分析结果显示，只有在任务条件下，左右侧额上回、额中回、眶上额回、右侧颞上回、中央前回和中央后回的配对特异性IBS才显著。我们的结果初步表明，熟人对中的FF互动不会增加IBS，并支持IBS受“我们与之互动的人和方式”影响的观点。
Interpersonal brain synchronization (IBS) has been observed during social interactions and involves various factors, such as familiarity with the partner and type of social activity. A previous study has shown that face-to-face (FF) interactions in pairs of strangers increase IBS. However, it is unclear whether this can be observed when the nature of the interacting partners is different. Herein, we aimed to extend these findings to pairs of acquaintances. Neural activity in the frontal and temporal regions was recorded using functional near-infrared spectroscopy hyperscanning. Participants played an ultimatum game that required virtual economic exchange in two experimental settings: face-to-face and face-blocked conditions. Random pair analysis confirmed whether IBS was induced by social interaction. Contrary to the aforementioned study, our results did not show any cooperative behavior or task-induced IBS increase. Conversely, the random pair analysis results revealed that the pair-specific IBS was significant only in the task condition at the left and right superior frontal, middle frontal, orbital superior frontal, right superior temporal, precentral and postcentral gyri. Our results tentatively suggested that FF interaction in acquainted pairs did not increase IBS and supported the idea that IBS is affected by ‘with whom we interact and how’.
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