Interpersonal visual interaction induces local and global stabilisation of rhythmic coordination

Neuroscience Letters
Kohei MiyataPeter E Keller

Abstract

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 decrease...Continue Reading

Citations

Aug 28, 2019·PloS One·Akira TakehanaYutaka Sakaguchi
Jan 29, 2019·Frontiers in Psychology·Dana SwarbrickLaurel J Trainor
Sep 2, 2020·Journal of Motor Behavior·Samar EzzinaDidier Delignières
Mar 19, 2021·Acta Psychologica·Kota Yamamoto, Seijiro Tsutsui

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