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Mechanism for synchronized motion between two humans in mutual tapping experiments: Transition from alternative mode to synchronization mode

Hayashi, Y. and Kondo, T. (2013) Mechanism for synchronized motion between two humans in mutual tapping experiments: Transition from alternative mode to synchronization mode. Physical Review E, 88 (2). 022715. ISSN 1539-3755

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To link to this item DOI: 10.1103/PhysRevE.88.022715

Abstract/Summary

We performed mutual tapping experiments between two humans to investigate the conditions required for synchronized motion. A transition from an alternative mode to a synchronization mode was discovered under the same conditions when a subject changed from a reactive mode to an anticipation mode in single tapping experiments. Experimental results suggest that the cycle time for each tapping motion is tuned by a proportional control that is based on synchronization errors and cycle time errors. As the tapping frequency increases, the mathematical model based on the feedback control in the sensory-motor closed loop predicts a discrete mode transition as the gain factors of the proportional control decease. The conditions of the synchronization were shown as a consequence of the coupled dynamics based on the subsequent feedback loop in the sensory-motor system.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:33368
Publisher:American Physical Society

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