Bimanual coordination patterns are stabilized under monitoring-pressure
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The influence of monitoring-pressure on the performance of anti-phase and in-phase bimanual coordination was examined. The two bimanual patterns were produced under no-monitoring and monitoring-pressure conditions at self-paced frequencies. Anti-phase coordination was always less stable than in-phase coordination, with or without monitoring. When performed under monitoring-pressure, the coordination patterns were performed with less variability in relative phase for both patterns across a range of self-paced movement frequencies compared to performance without monitoring. Thus, while monitoring-pressure did induce a behavioral change, it consisted of performance stabilization rather than degradation, a finding inconsistent with explicit-monitoring theory. However, the findings are consistent with the theory of coordination dynamics and studies that have revealed increased stability for the system's intrinsic dynamics as a result of attentional focus and intentional control.
author list (cited authors)
Buchanan, J. J., Park, I., Chen, J., Wright, D. L., & Mehta, R. K.