SOMATOSENSORY INPUT AND THALAMIC PROJECTION OF PEDUNCULOPONTINE TEGMENTAL NEURONS

被引:32
作者
GRUNWERG, BS
KREIN, H
KRAUTHAMER, GM
机构
[1] Department of Neuroscience and Cell Biology, University of Medicine and Dentistry of New Jersey, Robert Wood Johnson Medical School, Piscataway, NJ
关键词
PEDUNCULOPONTINE TEGMENTAL NUCLEUS; INTRALAMINAR THALAMUS; RAT; SOMATOSENSORY UNITS; ANTIDROMIC STIMULATION;
D O I
10.1097/00001756-199208000-00004
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
THE cholinergic pedunculopontine tegmental area of the anesthetized rat was explored for single units responsive to somatosensory stimulation. Units projecting to the intralaminar thalamus were identified by antidromic stimulation. Approximately one half of the somatosensory units consisted of low threshold units responsive to light tapping and stroking; the others were high threshold mechanoreceptive units. Most receptive fields were trigeminal and contralateral. These results suggest that somatosensory information is an important element in a subcortical system linking this area with the basal ganglia, superior colliculus and thalamus.
引用
收藏
页码:673 / 675
页数:3
相关论文
共 20 条
[1]  
DICHIARA G, 1982, BRAIN RES, V237, P61
[2]   PARTICIPATION OF PROJECTIONS FROM SUBSTANTIA NIGRA RETICULATA TO THE LOWER BRAIN-STEM IN TURNING BEHAVIOR [J].
GARCIAMUNOZ, M ;
PATINO, P ;
AGUILAR, R ;
ARBUTHNOTT, G .
EXPERIMENTAL NEUROLOGY, 1982, 78 (02) :380-390
[3]  
GRUNWERG B, 1988, Society for Neuroscience Abstracts, V14, P123
[4]  
GRUNWERG BS, 1992, EXP BRAIN RES, V88, P541
[5]   SPATIAL RELATIONSHIPS OF AXONS ARISING FROM THE SUBSTANTIA-NIGRA, SPINAL TRIGEMINAL NUCLEUS, AND PEDUNCULOPONTINE TEGMENTAL NUCLEUS WITHIN THE INTERMEDIATE GRAY OF THE CAT SUPERIOR COLLICULUS [J].
HARTING, JK ;
VANLIESHOUT, DP .
JOURNAL OF COMPARATIVE NEUROLOGY, 1991, 305 (04) :543-558
[6]   NEURONAL LOSS IN THE PEDUNCULOPONTINE TEGMENTAL NUCLEUS IN PARKINSON DISEASE AND IN PROGRESSIVE SUPRANUCLEAR PALSY [J].
HIRSCH, EC ;
GRAYBIEL, AM ;
DUYCKAERTS, C ;
JAVOYAGID, F .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1987, 84 (16) :5976-5980
[7]   PARADOXICAL SLEEP AND ITS CHEMICAL STRUCTURAL SUBSTRATES IN THE BRAIN [J].
JONES, BE .
NEUROSCIENCE, 1991, 40 (03) :637-656
[8]   ELECTROPHYSIOLOGICAL PROPERTIES OF PEDUNCULOPONTINE NEURONS AND THEIR POSTSYNAPTIC RESPONSES FOLLOWING STIMULATION OF SUBSTANTIA-NIGRA RETICULATA [J].
KANG, Y ;
KITAI, ST .
BRAIN RESEARCH, 1990, 535 (01) :79-95
[9]   PEDUNCULOPONTINE TEGMENTAL NUCLEUS-INDUCED INHIBITION OF MUSCLE-ACTIVITY IN THE RAT [J].
KELLAND, MD ;
ASDOURIAN, D .
BEHAVIOURAL BRAIN RESEARCH, 1989, 34 (03) :213-234
[10]   EFFECT OF SUPERIOR COLLICULUS LESIONS ON SENSORY UNIT RESPONSES IN THE INTRALAMINAR THALAMUS OF THE RAT [J].
KRAUTHAMER, GM ;
KROL, JG ;
GRUNWERG, BS .
BRAIN RESEARCH, 1992, 576 (02) :277-286