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The Control Of Orofacial Movements In Speech

Anne Smith

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Rapid, complex movements of orofacial structures are essential to produce the sounds of speech. A central problem in speech production research is to discover the neural sources that generate the control signals supplied to motoneurons during speaking. Speech movement production appears to share organizational principles with other motor behaviors; thus speech movements probably arise from an interaction of centrally generated command signals with sensory information. That speech movements are ultimately linked to the perception of language, however, has led many investigators to suggest that speech movement control involves unique features, features that may be linked to abstract linguistic units.