Interpersonal visual interaction induces local and global stabilisation of rhythmic coordination
Interpersonal visual interaction induces local and global stabilisation of rhythmic coordination
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DOI：
10.1016/j.neulet.2018.07.024
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发表时间：
2018-08-01
影响因子：
2.5
通讯作者：
Keller, Peter E.
中科院分区：
文献类型：
--
作者：
Miyata, Kohei;Varlet, Manuel;Keller, Peter E.
人与人之间的感知耦合可以导致他们的节奏运动自发同步。在当前的研究中，我们假设共同演员的视线会产生锚定（运动周期内特定时空点周围的局部稳定），并且这种锚定支持自发人际同步（跨周期的全局稳定）的发生和稳定性。为了检验这些假设，我们重新检查了之前发表的一项研究数据，该研究要求参与者在有视觉接触和无视觉接触的情况下进行全身运动的听觉运动协调。配对的参与者通过听觉节拍器节拍反复执行两种协调任务，即膝关节屈曲或伸展（随节拍弯曲和随节拍伸展条件），同时面对面或背靠背站立以操纵视觉交互。对个体运动轨迹的分析表明，视觉交互导致整个轨迹的可变性降低，除了最大伸展位置。结果还表明，这种锚定的强度与人际相位关系的变异性随着视觉耦合而减少的程度相关，这表明局部稳定支持全局人际稳定。因此，合作者的视线会产生锚定效应，这可能在自发人际同步的稳定中发挥至关重要的作用。
Perceptual coupling between people can lead to the spontaneous synchronisation of their rhythmic movements. In the current study, we hypothesised that the sight of a co-actor generates anchoring (local stabilisation around specific spatiotemporal points within movement cycles), and that such anchoring supports the occurrence and stability of spontaneous interpersonal synchronisation (global stabilisation across cycles). To test these hypotheses, we re-examined previously published data from a study where participants were required to perform auditory-motor coordination of whole-body movements with versus without visual contact. Paired participants performed two kinds of coordination task either knee flexion or extension repeatedly with auditory metronome beats (Flexion-on-the-beat and Extension-on-the-beat conditions) while standing face-to-face or back-to-back to manipulate visual interaction. The analysis of individual movement trajectories showed that visual interaction led to decreased variability along the entire trajectory, except the maximum extension position. The results also indicated that the strength of this anchoring was correlated with the degree to which the variability of interpersonal phase relations decreased with visual coupling, suggesting that local stabilisation supported global interpersonal stabilisation. Therefore, the sight of a co-actor generates anchoring effects that may play a crucial role in the stabilisation of spontaneous interpersonal synchronisation.