Journal of Physical Therapy Science
Online ISSN : 2187-5626
Print ISSN : 0915-5287
Original Article
The modulation of motor control by imitating non-biological motions: a study about motor resonance
Yu MiyawakiTaisei Yamamoto
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Volume 30 (2018) Issue 1 Pages 159-163

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Abstract

[Purpose] Sensorimotor experience modulates motor resonance, such as motor interference, which occurs when observing others’ movements; however, it is unclear how motor resonance is modulated by intentionally imitating others’ movements. This study examined the effects of imitation experience on subsequent motor resonance. [Subjects and Methods] Twenty-seven healthy participants performed horizontal arm movements while observing non-biological, incongruent (vertical) movements of a visual stimulus (triangle object) in pre- and post-test procedures. Thirteen participants in the imitation group imitated vertical movements (non-biological motion) of the triangle object between pre- and post-test procedures and fourteen participants in the non-imitation group observed that. [Results] Variance in the executed movements was measured as an index of motor resonance. Although there was no significant difference in the non-imitation group, there was a significantly smaller variance for post-test compared to pre-test in the imitation group. [Conclusion] Motor resonance was inhibited by intentionally imitating non-biological motions. Imitating movements different from one’s own motor property might inhibit subsequent motor resonance. This finding might be applied to selectively using motor resonance as a form of rehabilitation.

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© 2018 by the Society of Physical Therapy Science. Published by IPEC Inc.
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