Phase entrainment strength scales with movement amplitude disparity

B.J. de Boer, C.E. Peper, A. Ridderikhoff, P.J. Beek

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    In the current study, we examined whether coupling influences resulting from unintended afference-based phase entrainment are affected by movement amplitude as such or by the amplitude relation between the limbs. We assessed entrainment strength by studying how passive movements of the contralateral hand influenced unimanual coordination with a metronome. Results showed that amplitude as such did not affect entrainment strength, whereas the amplitude relation between the hands did. Larger amplitudes of the passive hand relative to the active hand resulted in stronger entrainment. This dependence on relative amplitude implies that entrainment strength is not only based on the intensity of afferent signals generated in the entraining limb but also on the susceptibility of the entrained limb to these signals.
    Original languageEnglish
    Pages (from-to)399-411
    Number of pages13
    JournalMotor control
    Volume17
    Issue number4
    DOIs
    Publication statusPublished - 2013

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