MODULATION BY PERIPHERAL CONDITIONING STIMULI OF THE RESPONSES OF TRIGEMINAL BRAIN-STEM NEURONS AND OF THE JAW OPENING REFLEX TO TOOTH-PULP STIMULATION IN CHRONICALLY PREPARED, ANESTHETIZED CATS

被引:14
作者
BANKS, D [1 ]
KURIAKOSE, M [1 ]
MATTHEWS, B [1 ]
机构
[1] UNIV BRISTOL, SCH MED SCI, DEPT PHYSIOL, BRISTOL BS8 1TD, AVON, ENGLAND
关键词
D O I
10.1113/expphysiol.1992.sp003593
中图分类号
Q4 [生理学];
学科分类号
071003 ;
摘要
The effects of peripheral conditioning stimuli on the thresholds of the jaw opening reflex (JOR) and of trigeminal brain stem neurones to tooth pulp stimulation were examined in chronically prepared, anaesthetized cats. High intensity electrical conditioning stimuli applied to the ipsilateral forepaw produced an increase in the thresholds of both responses, with the JOR thresholds being elevated significantly more, and remaining elevated for significantly longer, than those of the neurones. These findings suggest that the elevation of the JOR cannot be explained just by inhibitory effects on the brain stem neurones.
引用
收藏
页码:343 / 349
页数:7
相关论文
共 14 条
[1]  
BANKS D, 1990, Society for Neuroscience Abstracts, V16, P100
[2]  
BANKS D, 1992, J PHYSIOL-LONDON, V446, pP78
[3]   METHODS FOR RECORDING THE JAW-OPENING REFLEX TO TOOTH-PULP STIMULATION IN AWAKE CATS [J].
BOISSONADE, FM ;
BANKS, D ;
MATTHEWS, B .
JOURNAL OF NEUROSCIENCE METHODS, 1991, 38 (01) :35-40
[4]   A TECHNIQUE FOR RECORDING FROM BRAIN-STEM NEURONS IN AWAKE, UNRESTRAINED CATS [J].
BOISSONADE, FM ;
BANKS, D ;
MATTHEWS, B .
JOURNAL OF NEUROSCIENCE METHODS, 1991, 38 (01) :41-46
[5]  
CARTER GM, 1989, ELECTROMYOGRAPHY JAW, P205
[6]   THE EFFECTS OF DECEREBRATION AND DESTRUCTION OF NUCLEUS RAPHE MAGNUS, PERIAQUEDUCTAL GREY-MATTER AND BRAIN-STEM LATERAL RETICULAR-FORMATION ON THE DEPRESSION DUE TO SURGICAL TRAUMA OF THE JAW-OPENING REFLEX EVOKED BY TOOTH-PULP STIMULATION IN THE CAT [J].
CLARKE, RW .
BRAIN RESEARCH, 1985, 332 (02) :231-236
[7]   THE THRESHOLDS OF THE JAW-OPENING REFLEX AND TRIGEMINAL BRAIN-STEM NEURONS TO TOOTH-PULP STIMULATION IN ACUTELY AND CHRONICALLY PREPARED CATS [J].
CLARKE, RW ;
MATTHEWS, B .
NEUROSCIENCE, 1990, 36 (01) :105-114
[8]   THE EFFECTS OF ANESTHETICS AND REMOTE NOXIOUS STIMULI ON THE JAW-OPENING REFLEX EVOKED BY TOOTH-PULP STIMULATION IN THE CAT [J].
CLARKE, RW ;
MATTHEWS, B .
BRAIN RESEARCH, 1985, 327 (1-2) :105-111
[9]  
KURIAKOSE M, 1992, J PHYSIOL-LONDON, V446, pP386
[10]  
LEBARS D, 1988, PROG BRAIN RES, V77, P275