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fNIRS Responses in Professional Violinists While Playing Duets: Evidence for Distinct Leader and Follower Roles at the Brain Level

机译:专业小提琴手演奏二重奏时fNIRS的反应:在脑水平上不同的领导者和跟随者作用的证据

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摘要

Music played in ensembles is a naturalistic model to study joint action and leader-follower relationships. Recently, the investigation of the brain underpinnings of joint musical actions has gained attention; however, the cerebral correlates underlying the roles of leader and follower in music performance remain elusive. The present study addressed this question by simultaneously measuring the hemodynamic correlates of functional neural activity elicited during naturalistic violin duet performance using fNIRS. Findings revealed distinct patterns of functional brain activation when musicians played the Violin 2 (follower) than the Violin 1 part (leader) in duets, both compared to solo performance. More specifically, results indicated that musicians playing the Violin 2 part had greater oxy-Hb activation in temporo-parietal (p = 0.02) and somatomotor (p = 0.04) regions during the duo condition in relation to the solo. On the other hand, there were no significant differences in the activation of these areas between duo/solo conditions during the execution of the Violin 1 part (p’s > 0.05). These findings suggest that ensemble cohesion during a musical performance may impose particular demands when musicians play the follower position, especially in brain areas associated with the processing of dynamic social information and motor simulation. This study is the first to use fNIRS hyperscanning technology to simultaneously measure the brain activity of two musicians during naturalistic music ensemble performance, opening new avenues for the investigation of brain correlates underlying joint musical actions with multiple subjects in a naturalistic environment.
机译:合奏演奏的音乐是一种自然主义模型,用于研究联合行动和领导者与跟随者之间的关系。最近,对联合音乐动作的大脑基础的研究引起了关注。然而,领导者和跟随者在音乐表演中所起的潜在作用的大脑关联仍然难以捉摸。本研究通过同时测量使用fNIRS在自然小提琴二重奏过程中引起的功能神经活动的血液动力学相关性,解决了这个问题。与独奏相比,当二重奏演奏小提琴2(跟随者)的演奏方式比小提琴1(领导者)的演奏者,发现揭示了功能性大脑激活的独特模式。更具体地,结果表明,演奏小提琴2的音乐家相对于独奏,在二重奏条件下在颞顶(p = 0.02)和体动(p = 0.04)区域具有更高的oxy-Hb激活。另一方面,在执行小提琴1部分的过程中,二重奏/独奏条件在这些区域的激活上没有显着差异(p> 0.05)。这些发现表明,在音乐表演过程中的整体凝聚力可能会在音乐家扮演追随者职位时提出特别要求,尤其是在与动态社会信息处理和运动模拟相关的大脑区域。这项研究是首次使用fNIRS超扫描技术同时测量自然音乐合奏过程中两位音乐家的大脑活动,为自然环境中与多个主体之间潜在的联合音乐动作相关的大脑研究开辟了新途径。

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