The effect of volition on the stability of bimanual coordination

C.J. Smethurst, Richard Carson

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The authors investigated how the intention to passively perform a behavior and the intention to persist with a behavior impact upon the spatial and temporal properties of bimanual coordination. Participants (N = 30) were asked to perform a bimanual coordination task that demanded the continuous rhythmic extension-flexion of the wrists. The frequency of movement was scaled by an auditory metronome beat from 1.5 Hz, increasing to 3.25 Hz in .25-Hz increments. The task was further defined by the requirement that the movements be performed initially in a prescribed pattern of coordination (in-phase or antiphase) while the participants assumed one of two different intentional states: stay with the prescribed pattern should it become unstable or do not intervene should the pattern begin to change. Transitions away from the initially prescribed pattern were observed only in trials conducted in the antiphase mode of coordination. The time at which the antiphase pattern of coordination became unstable was not found to be influenced by the intentional state. In addition, the do-not-intervene set led to a switch to an in-phase pattern of coordination whereas the stay set led to phase wandering. Those findings are discussed within the framework of a dynamic account of bimanual coordination.
Original languageEnglish
Pages (from-to)309-319
Number of pages11
JournalJOURNAL OF MOTOR BEHAVIOR
Volume35
Issue number3
Publication statusPublished - Sep 2003

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Neuroscience(all)
  • Psychology(all)
  • Experimental and Cognitive Psychology
  • Physical Therapy, Sports Therapy and Rehabilitation

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