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   Transfer function analysis of cerebral autoregulation dynamics during jaw movements  
   
نویسنده sakagami j. ,ono t. ,hasegawa y. ,hori k. ,zhang m. ,maeda y.
منبع journal of dental research - 2011 - دوره : 90 - شماره : 1 - صفحه:71 -76
چکیده    Mastication as a mild but life-long exercise has been examined as a possibility for maintaining brain function in the elderly. little is known,however,about the cerebral circulatory response during masticatory movement. the aim of this study was to develop a monitoring system for circulation dynamics during masticatory movement and to apply this system to the study of cerebral autoregulation. cerebral blood flow,heart rate,and arterial blood pressure were simultaneously recorded,and changes in these circulatory systems were quantitatively evaluated in 38 young healthy volunteers. transfer function analysis was also performed on blood pressure and cerebral blood flow for investigation of cerebral autoregulation during gum chewing. although increases in cerebral blood flow,mean blood pressure,and heart rate suggested the activation of cerebral and systemic circulation during gum chewing,increased cerebral circulation was independent of systemic circulation. our results suggest that cerebral autoregulation is well maintained during jaw movements. © 2011 international & american associations for dental research.
کلیدواژه cerebral autoregulation; cerebral blood flow; mastication; systemic circulation; transfer function analysis
آدرس department of prosthodontics and oral rehabilitation,osaka university,graduate school of dentistry,suita,osaka, Japan, department of prosthodontics and oral rehabilitation,osaka university,graduate school of dentistry,suita,osaka, Japan, department of dentistry and oral surgery,hyogo college of medicine,nishinomiya,hyogo, Japan, division of dysphagia rehabilitation,niigata university,graduate school of medical and dental sciences,niigata, Japan, department of general dentistry and emergency,school of stomatology,fourth military medical university,xi'an, China, department of prosthodontics and oral rehabilitation,osaka university,graduate school of dentistry,suita,osaka, Japan
 
     
   
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