Social Coordination Information in Dynamic Chase Modulates EEG Mu Rhythm.

Social Coordination Information in Dynamic Chase Modulates EEG Mu Rhythm.
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动态追逐中的社会协调信息调节脑电图穆节律

DOI:
10.1038/s41598-017-04129-2
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发表时间:
2017-07-06
期刊:
影响因子:
4.6
通讯作者:
Shen M
Shen M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Yin J;Ding X;Xu H;Zhang F;Shen M

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理解行为在我们的社会生活中起着令人印象深刻的作用。这种处理被认为是由EEG Mu节律(感觉运动区8-13 Hz)反映的。然而,目前尚不清楚Mu节律是否受到互动行为中协调信息的社会性质的调节(即,相互依存)。这项研究使用了一种新的社会协调信息的操纵:在一个基于计算机的任务中,参与者观看了两个追逐者协调(协调追逐)或独立(单独追逐)追逐一个共同目标的重播。同时,为了区分社会协调信息的潜在影响,从目标导向的信息,每个条件的控制版本随机一个追逐者的运动。在第二个实验中,我们让目标对参与者不可见,以控制低级别的属性。观看回放的协调追逐诱导更强的穆抑制比独奏追逐,虽然两者涉及一个共同的目标。这些影响不能用注意力机制或低水平的身体模式(例如,物理同步的程度)。因此,目前的研究结果表明,处理社会协调信息可以反映在Mu节奏。Mu节律的这种功能可能是人类镜像神经元系统活动的特征。
Understanding actions plays an impressive role in our social life. Such processing has been suggested to be reflected by EEG Mu rhythm (8–13 Hz in sensorimotor regions). However, it remains unclear whether Mu rhythm is modulated by the social nature of coordination information in interactive actions (i.e., inter-dependency). This study used a novel manipulation of social coordination information: in a computer-based task, participants viewed a replay of two chasers chasing a common target coordinately (coordinated chase) or independently (solo chase). Simultaneously, to distinguish the potential effect of social coordination information from that of object-directed goal information, a control version of each condition was created by randomizing one chaser’s movement. In a second experiment, we made the target invisible to participants to control for low-level properties. Watching replays of coordinated chases induced stronger Mu suppression than solo chases, although both involved a common target. These effects were not explained by attention mechanisms or low-level physical patterns (e.g., the degree of physical synchronization). Therefore, the current findings suggest that processing social coordination information can be reflected by Mu rhythm. This function of Mu rhythm may characterize the activity of human mirror neuron system.
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