RESPONSES OF NEURONS IN THE VENTROLATERAL ORBITAL CORTEX TO NOXIOUS CUTANEOUS STIMULATION IN A RAT MODEL OF PERIPHERAL MONONEUROPATHY

被引:21
作者
BACKONJA, M [1 ]
WANG, B [1 ]
MILETIC, V [1 ]
机构
[1] UNIV WISCONSIN,SCH MED,DEPT COMPARAT BIOSCI,MADISON,WI 53706
关键词
FRONTAL CORTEX; CHRONIC PAIN; LIMBIC SYSTEM; COLD PRESSOR; ANALGESIA;
D O I
10.1016/0006-8993(94)91750-7
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The responses of ventrolateral orbital cortex neurons to noxious cold pressor were compared in rats with loose ligatures tied around their sciatic nerve with those in rats in which the sciatic nerve was exposed but not ligated. In ligated rats more cells responded to cold pressor and their average afterdischarges ware longer. There were no differences in the background firing rate or the magnitude of response to the cold pressor between the two groups.
引用
收藏
页码:337 / 340
页数:4
相关论文
共 22 条
[1]   TONIC CHANGES IN ALPHA-POWER DURING IMMERSION OF THE HAND IN COLD WATER [J].
BACKONJA, M ;
HOWLAND, EW ;
WANG, J ;
SMITH, J ;
SALINSKY, M ;
CLEELAND, CS .
ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY, 1991, 79 (03) :192-203
[2]   RESPONSES OF NEURONS IN THE RAT VENTROLATERAL ORBITAL CORTEX TO PHASIC AND TONIC NOCICEPTIVE STIMULATION [J].
BACKONJA, M ;
MILETIC, V .
BRAIN RESEARCH, 1991, 557 (1-2) :353-355
[3]   A PERIPHERAL MONONEUROPATHY IN RAT THAT PRODUCES DISORDERS OF PAIN SENSATION LIKE THOSE SEEN IN MAN [J].
BENNETT, GJ ;
XIE, YK .
PAIN, 1988, 33 (01) :87-107
[4]  
CHERYCROZE S, 1983, PAIN, V15, P256
[5]   CHRONIC HYPERALGESIA AND SKIN WARMING CAUSED BY SENSITIZED C-NOCICEPTORS [J].
CLINE, MA ;
OCHOA, J ;
TOREBJORK, HE .
BRAIN, 1989, 112 :621-647
[6]   AUTONOMIC MEASURES AND BEHAVIORAL INDEXES OF PAIN SENSITIVITY [J].
DOWLING, J .
PAIN, 1983, 16 (02) :193-200
[7]  
EL-YASSIR N, 1990, Society for Neuroscience Abstracts, V16, P706
[8]  
GUILBAUD G, 1992, EXP BRAIN RES, V92, P227
[9]   NEURONAL RESPONSIVENESS IN THE VENTROBASAL THALAMIC COMPLEX OF RATS WITH AN EXPERIMENTAL PERIPHERAL MONONEUROPATHY [J].
GUILBAUD, G ;
BENOIST, JM ;
JAZAT, F ;
GAUTRON, M .
JOURNAL OF NEUROPHYSIOLOGY, 1990, 64 (05) :1537-1554
[10]   ELECTROPHYSIOLOGICAL EVIDENCE THAT MORPHINE CAN EXERT AN ANTINOCICEPTIVE EFFECT IN A NEUROPATHIC STATE - A STUDY IN THE VENTROBASAL THALAMUS OF RATS AFTER MODERATE LIGATION OF ONE SCIATIC-NERVE [J].
GUILBAUD, G ;
BENOIST, JM ;
GAUTRON, M .
BRAIN RESEARCH, 1991, 551 (1-2) :346-350