Document Detail


Cerebral control of face, jaw, and tongue movements in awake cats: changes in regional cerebral blood flow during lateral feeding.
MedLine Citation:
PMID:  16503583     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Mastication is achieved by cooperation among facial, masticatory, and lingual muscles. However, cortical control in cats for the masticatory performance is processed by two systems: facial movement processed by facial SI (the first somatosensory cortex), area C, and area M (motor areas), and jaw and tongue movements performed by intraoral SI, masticatory area, and area P (motor area). In particular, outputs from area P organized in the corticobulbar tract are projected bilaterally in the brainstem. In this present study, the aim is to explore changes in the regional cerebral blood flow (rCBF) in the facial SI, area M, and area P during trained lateral feeding (licking or chewing from the right or left side) of milk, fish paste, and small dry fish. The rCBF in area M showed contralateral dominance, and rCBF in area P during chewing or licking from the right or left side was almost the same value. Furthermore, activities of genioglossus and masseter muscles in the left side showed almost the same values during licking of milk and of fish paste, and chewing of small dry fish during lateral feeding. These findings suggest that the cortical process for facial, jaw, and tongue movements may be regulated by the contralateral dominance of area M and the bilateral one of area P.
Authors:
Hisao Hiraba; Takako Sato
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Somatosensory & motor research     Volume:  22     ISSN:  0899-0220     ISO Abbreviation:  Somatosens Mot Res     Publication Date:  2005 Dec 
Date Detail:
Created Date:  2006-02-28     Completed Date:  2006-05-24     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8904127     Medline TA:  Somatosens Mot Res     Country:  England    
Other Details:
Languages:  eng     Pagination:  307-17     Citation Subset:  IM    
Affiliation:
Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan. hiraba@dent.nihon-u.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Animals
Brain Mapping
Brain Stem / blood supply,  physiology*
Cats
Dominance, Cerebral / physiology
Facial Muscles / innervation*
Female
Jaw / blood supply,  innervation*
Laser-Doppler Flowmetry
Male
Masticatory Muscles / innervation*
Movement / physiology*
Regional Blood Flow / physiology
Somatosensory Cortex / blood supply,  physiology*
Tongue / innervation*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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