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Neural Mechanisms of Mandibular Control: Mastication and Voluntary Biting

1981; Wiley; Linguagem: Inglês

10.1002/cphy.cp010227

2040-4603

Erich S. Luschei, Louis J. Goldberg,

Oropharyngeal Anatomy and Pathologies

The sections in this article are: 1 General Features of Mandibular Motor System 1.1 Muscles of Mandible 1.1.1 Anatomy 1.1.2 Physiology and Histochemistry 1.2 Summary Neuroanatomy of Masticatory System 2 Mastication 2.1 Characteristics of Normal Mastication 2.2 Reflexes Possibly Involved with Chewing 2.2.1 Jaw-Stretch Reflex 2.2.2 Jaw-Opening Reflex 2.2.3 Excitatory Effects from Oral Mechanoreceptors 2.2.4 Modulation of Trigeminal Reflexes by Primary Afferent Depolarization 2.3 Evidence Concerning Contribution of Jaw Reflexes to Mastication 2.3.1 Effects of Destruction of Jaw Muscle Spindle Afferents 2.3.2 Activity Patterns of Mesencephalic V Afferents During Mastication 2.3.3 Possible Contribution of Low-Threshold Mechanoreceptors to Load Regulation During Chewing 2.4 Subcortical Mastication Pattern Generator 2.4.1 Rhythmic Jaw Movements Evoked in Reduced or Anesthetized Animals 2.4.2 Rhythmic Neural Activity in Absence of Peripheral Feedback 2.4.3 Local Interneurons Possibly Involved in Mastication Pattern Generator 3 Initiation and Control of Mandibular Movements 3.1 Role of Sensorimotor Cortex in Mastication and Voluntary Jaw Movements 3.2 Peripheral Systems and Voluntary Isometric Jaw Muscle Contraction 3.3 Trigeminal Relationships in Cerebellum 4 Summary of General Conclusions