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Brief Communication
Nature Neuroscience  7, 701 - 702 (2004)
Published online: 6 June 2004; | doi:10.1038/nn1263

Listening to speech activates motor areas involved in speech production

Stephen M Wilson1, 2, Aye Pinar Saygin4, Martin I Sereno4 & Marco Iacoboni1, 3

1  Ahmanson-Lovelace Brain Mapping Center, University of California, Los Angeles, California 90095, USA.

2  Neuroscience Interdepartmental Program, University of California, Los Angeles, California 90095, USA.

3  Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, California 90095, USA.

4  Department of Cognitive Science, University of California, San Diego, La Jolla, California 92093, USA.

Correspondence should be addressed to Stephen M Wilson stephenw@ucla.edu
To examine the role of motor areas in speech perception, we carried out a functional magnetic resonance imaging (fMRI) study in which subjects listened passively to monosyllables and produced the same speech sounds. Listening to speech activated bilaterally a superior portion of ventral premotor cortex that largely overlapped a speech production motor area centered just posteriorly on the border of Brodmann areas 4a and 6, which we distinguished from a more ventral speech production area centered in area 4p. Our findings support the view that the motor system is recruited in mapping acoustic inputs to a phonetic code.


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Nature Neuroscience
ISSN: 1097-6256
EISSN: 1546-1726
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