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The trigeminal circuits responsible for chewing
Umeå University, Faculty of Medicine, Department of Integrative Medical Biology (IMB).
Faculté de médecine dentaire, and Groupe de Recherche sur le Système Nerveux Central du FRSQ, Université de Montréal C.P. 6128, succursale Centre-villeMontréal (Qc), Canada.
2011 (English)In: Translating mechanisms of orofacial neurological disorder: from the peripheral nervous system to the cerebral cortex / [ed] Masayuki Kobayashi, Noriaki Koshikawa, Koichi Iwata och John Waddington, London ; Waltham, MA: Academic Press, 2011, Vol. 97, 77-98 p.Chapter in book (Other academic)
Abstract [en]

Mastication is a vital function that ensures that ingested food is broken down into pieces and prepared for digestion. This review outlines the masticatory behavior in terms of the muscle activation patterns and jawmovements and gives an overview of the organization and function of the trigeminal neuronal circuits that are known to take part in the generation and control of oro-facial motor functions. The basic pattern of rhythmic jaw movements produced during mastication is generated by a Central Pattern Generator (CPG) located in the pons and medulla. Neurons within the CPG have intrinsic properties that produce a rhythmic activity, but the output of these neurons is modified by inputs that descend from the higher centers of the brain, and by feedback from sensory receptors, in order to constantly adapt the movement to the food properties.

Place, publisher, year, edition, pages
London ; Waltham, MA: Academic Press, 2011. Vol. 97, 77-98 p.
, International review of neurobiology, ISSN 0074-7742 ; 97
Keyword [en]
mastication, central pattern generation, trigeminal, intrinsic bursting, rhythmogenesis, jaw muscle
National Category
Neurology Dentistry
URN: urn:nbn:se:umu:diva-47677DOI: 10.1016/B978-0-12-385198-7.00004-7ISI: 000292531100004ISBN: 978-0-12-385198-7OAI: diva2:444153
Available from: 2011-09-28 Created: 2011-09-27 Last updated: 2015-06-12Bibliographically approved

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Westberg, Karl-Gunnar
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Department of Integrative Medical Biology (IMB)

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