Probing associations between interbrain synchronization and interpersonal action coordination during guitar playing,Annals of the New York Academy of Sciences

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Probing associations between interbrain synchronization and interpersonal action coordination during guitar playing
Annals of the New York Academy of Sciences ( IF 4.1 ) Pub Date : 2021-09-12 , DOI: 10.1111/nyas.14689
Viktor Müller ₁ , Ulman Lindenberger _{1,

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Affiliation

Playing music in an ensemble is a highly coordinated human action involving musicians’ brain–body interactions at different levels of physical and cortical organization in time and space. It has been suggested that interbrain phase synchronization plays an essential role in musical interaction. In this study, we aimed to explore associations between interbrain synchronization and interpersonal action coordination, using electroencephalographic recordings of the brain activity of guitarists playing in a duet as well as the acoustic recordings of their music. By applying phase synchronization algorithms to the musicians’ brain activities and the sounds produced during guitar playing, we show that synchronous brain activity is strongly related to instrument sounds and behavioral play-onset synchrony, as indicated by phase alignment in relation to the time differences in play onsets and an angular–linear correlation between phase and time differences across trials and guitarist pairs. Interestingly, this correlation was especially strong in the first part of the music piece, when the guitarists seem to adjust their coordinated play onsets and brain rhythms actively. This suggests that the methods capturing intra- and interbrain synchronization and its relations to coordinated playing provide crucial information about the underlying mechanisms of interpersonal action coordination.

中文翻译：

探索吉他演奏过程中大脑间同步与人际动作协调之间的关联

在合奏中演奏音乐是一种高度协调的人类行为，涉及音乐家在时间和空间上不同层次的身体和皮层组织的大脑-身体互动。有人提出，脑间相位同步在音乐互动中起着至关重要的作用。在这项研究中，我们旨在探索大脑间同步和人际动作协调之间的关联，使用二重唱中吉他手的大脑活动的脑电图记录以及他们音乐的声学记录。通过将相位同步算法应用于音乐家的大脑活动和吉他演奏过程中产生的声音，我们表明同步的大脑活动与乐器声音和行为演奏同步性密切相关，正如与演奏开始时的时间差相关的相位对齐以及在试验和吉他手对之间的相位和时间差之间的角度线性相关所表明的那样。有趣的是，这种相关性在乐曲的第一部分尤其强烈，当时吉他手似乎在积极调整他们协调的演奏开始和大脑节奏。这表明捕获大脑内和大脑间同步及其与协调游戏的关系的方法提供了有关人际行动协调的潜在机制的重要信息。当吉他手似乎在积极调整他们协调的演奏开始和大脑节奏时。这表明捕获大脑内和大脑间同步及其与协调游戏的关系的方法提供了有关人际行动协调的潜在机制的重要信息。当吉他手似乎在积极调整他们协调的演奏开始和大脑节奏时。这表明捕获大脑内和大脑间同步及其与协调游戏的关系的方法提供了有关人际行动协调的潜在机制的重要信息。

更新日期：2021-09-12

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