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OPINION A little more conversation, a little less action - candidate roles for the motor cortex in speech perception

Scott, SK; McGettigan, C; Eisner, F; (2009) OPINION A little more conversation, a little less action - candidate roles for the motor cortex in speech perception. NAT REV NEUROSCI , 10 (4) 295 - 302. 10.1038/nrn2603.

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Abstract

The motor theory of speech perception assumes that activation of the motor system is essential in the perception of speech. However, deficits in speech perception and comprehension do not arise from damage that is restricted to the motor cortex, few functional imaging studies reveal activity in the motor cortex during speech perception, and the motor cortex is strongly activated by many different sound categories. Here, we evaluate alternative roles for the motor cortex in spoken communication and suggest a specific role in sensorimotor processing in conversation. We argue that motor cortex activation is essential in joint speech, particularly for the timing of turn taking.

Type:Article
Title:OPINION A little more conversation, a little less action - candidate roles for the motor cortex in speech perception
DOI:10.1038/nrn2603
Keywords:POSITRON-EMISSION-TOMOGRAPHY, VENTRAL PREMOTOR CORTEX, SURFACE-BASED ANALYSIS, SENSORIMOTOR SYNCHRONIZATION, LANGUAGE COMPREHENSION, ACTION REPRESENTATION, INTELLIGIBLE SPEECH, EMBODIED LANGUAGE, NARRATIVE SPEECH, TEMPORAL CORTEX
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Psychology and Language Sciences (Division of) > Institute of Cognitive Neuroscience
UCL > School of Life and Medical Sciences > Faculty of Life Sciences

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