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首页> 美国卫生研究院文献>Brain Sciences >The Use of Hyperscanning to Investigate the Role of Social Affective and Informative Gestures in Non-Verbal Communication. Electrophysiological (EEG) and Inter-Brain Connectivity Evidence
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The Use of Hyperscanning to Investigate the Role of Social Affective and Informative Gestures in Non-Verbal Communication. Electrophysiological (EEG) and Inter-Brain Connectivity Evidence

机译：使用超扫描调查社交情感和信息手势在非语言交流中的作用。电生理（EEG）和脑间连通性证据

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Communication can be considered as a joint action that involves two or more individuals transmitting different information. In particular, non-verbal communication involves body movements used to communicate different information, characterized by the use of specific gestures. The present study aims to investigate the electrophysiological (EEG) correlates underlying the use of affective, social, and informative gestures during a non-verbal interaction between an encoder and decoder. From the results of the single brain and inter-brain analyses, an increase of frontal alpha, delta, and theta brain responsiveness and inter-brain connectivity emerged for affective and social gestures; while, for informative gestures, an increase of parietal alpha brain responsiveness and alpha, delta, and theta inter-brain connectivity was observed. Regarding the inter-agents’ role, an increase of frontal alpha activity was observed in the encoder compared to the decoder for social and affective gestures. Finally, regarding gesture valence, an increase of theta brain responsiveness and theta and beta inter-brain connectivity was observed for positive gestures on the left side compared to the right one. This study, therefore, revealed the function of the gesture type and valence in influencing individuals’ brain responsiveness and inter-brain connectivity, showing the presence of resonance mechanisms underlying gesture execution and observation.
机译：交流可被视为涉及两个或两个以上个人传输不同信息的联合行动。特别地，非语言交流涉及用于传达不同信息的身体运动，其特征在于使用特定手势。本研究旨在调查在编码器和解码器之间的非语言交互过程中情感，社交和信息手势的使用背后的电生理学（EEG）相关性。从单脑分析和大脑间分析的结果来看，情感和社交手势的额叶α，δ和θ大脑反应性和大脑间连接性增加。同时，对于信息性手势，观察到顶叶α大脑反应性以及α，δ和θ脑间连接性增加。关于中介人的角色，与社交和情感手势的解码器相比，编码器中的额叶alpha活动有所增加。最后，关于手势效价，与右侧手势相比，左侧的积极手势可以看到theta脑响应能力以及theta和beta脑间连接性的增强。因此，这项研究揭示了手势类型和化合价在影响个人的大脑反应能力和大脑间连接性方面的功能，表明手势执行和观察背后存在共振机制。

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