Neural basis of rhythm generation of masticatory jaw movements Yoshio NAKAMURA 1 1Department of Physiology, Faculty of Dentistry, Tokyo Medical and Dental University pp.237-250
Published Date 1986/4/10
DOI https://doi.org/10.11477/mf.1431905778
  • Abstract
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Repetitive stimulation of a certain cerebral cortical area in a variety of animal species induces rhy-thmical coordinated movements of the jaw and tongue accompanied by salivation, closely resem-bling the mastication, and the area is called the cortical masticatory area (CMA). The CMA-induced masticatory jaw movement can be monitored by a rhythmical EMG activity of the jaw-closing (masseter) and -opening (anterior digas-tric) muscles as well as a rhythmical efferent burst activity in the nerves innervating the masticatory muscles.

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