Musical and Athletic Motor Learning and Performance
Edited By Adina Mornell
Perceptual and Attentional Influences on Bimanual Coordination (Charles H. Shea/Attila J. Kovacs/John J. Buchanan)
Perceptual and Attentional Inﬂuences on Bimanual Coordination Abstract Numerous experimental ﬁndings, from behavioral to brain activity patterns, have been interpreted within the context of in-phase and anti- phase bimanual coordination as the only (or most often only) bimanual patterns that can be stably produced without extensive practice. The present chapter will review recent research demonstrating the powerful impact of perceptual and attention focus contexts on the ability of the motor system to overcome the attraction to in-phase and anti-phase coordination. The thesis of this work is that 1:1 and polyrhythmic bimanual coordination patterns that have been thought to be difﬁcult to perform without extensive practice can be effectively tuned-in with relatively little practice when salient integrated perceptual information is provided, attention is directed to the extrinsic feedback, and additional attention demands are minimized. These results lead to the conclusion that an understanding of how performance context links perceptual processes to motor processes is paramount for the continued development of motor control and motor learning theories, whether the theories are based on information processing, internal models, or coordination dynamic frameworks. Perceptual and Attentional Inﬂuences on Bimanual Coordination Bimanual movement patterns are used in many everyday tasks such as tying one’s shoes, jumping rope, or steering an automobile. More complicated bimanual movement patterns are observed in juggling or playing a musical instrument. One musical example of a complex movement pattern involves the production of polyrhythms for drumming. Figure 1 (top) illustrates the music notation for a 5:3...
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