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Motor cortex fields and speech movements: Simple dual control is implausible

Published online by Cambridge University Press:  01 August 1998

James H. Abbs  and
Roxanne DePaul
James H. Abbs
Affiliation:
Department of Neurology, University of Wisconsin, Madison, WI 53705 jhabbs@facstaff.wisc.edu
Roxanne DePaul
Affiliation:
Department of Communicative Disorders, University of Wisconsin, Whitewater, WI 53012 depaul@waisman.wisc.edu
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Abstract

We applaud the spirit of MacNeilage's attempts to better explain the evolution and cortical control of speech by drawing on the vast literature in nonhuman primate neurobiology. However, he oversimplifies motor cortical fields and their known individual functions to such an extent that he undermines the value of his effort. In particular, MacNeilage has lumped together the functional characteristics across multiple mesial and lateral motor cortex fields, inadvertantly creating two hypothetical centers that simply may not exist.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 21 , Issue 4 , August 1998 , pp. 511 - 512
Copyright
© 1998 Cambridge University Press

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