Somatosensory driven interpersonal synchrony during rhythmic sway

Sofianidis, George, Hatzitaki, Vassilia, Grouios, George, Johannsen, Leif ORCID: and Wing, Alan (2012) Somatosensory driven interpersonal synchrony during rhythmic sway. Human Movement Science, 31 (3). pp. 553-566. ISSN 0167-9457

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Spontaneous synchrony emerges between individuals performing together rhythmic activities while communicating by means of sensory feedback. In this study, we examined the nature of interpersonal synchrony mediated by light fingertip contact when individuals sway rhythmically in the sagittal plane. The effect of traditional dance expertise on interpersonal synchrony was investigated. Sixty participants (30 dancers, 30 novices) formed three types of couples (10 expert couples, 10 novice couples, 10 mixed couples) and performed a rhythmical sway task (40. s) that was either self or metronome paced (frequency: 0.25. Hz). Cross spectral analysis of the center of pressure (CoP) displacement signals revealed that during self-paced sway fingertip contact evoked a decrease of the dominant sway frequency difference between partners, an increase in the coherence between the sway signals and a concentration of relative phase angles towards the in-phase (0°-20°) region. In metronome paced sway however, only expert dancers were able to benefit from haptic contact to further improve interpersonal synchrony. These findings suggest that haptic contact can stabilize the spontaneous coordination dynamics of two persons performing rhythmic sway together. The strength of the emerged synchrony depends on the individuals' expertise to integrate tactile and auditory information about sway.

Item Type: Article
Uncontrolled Keywords: dance,expertise,interpersonal coordination dynamics,metronome,rhythmic sway,tactile contact,biophysics,orthopedics and sports medicine,experimental and cognitive psychology ,/dk/atira/pure/subjectarea/asjc/1300/1304
Faculty \ School: Faculty of Medicine and Health Sciences > School of Health Sciences
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Depositing User: LivePure Connector
Date Deposited: 23 Jul 2018 10:30
Last Modified: 22 Oct 2022 04:00
DOI: 10.1016/j.humov.2011.07.007

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