Effects of stimulating midbrain central gray matter on neuronal response in the caudal trigeminal nucleus to peripheral nerve stimulation

Stimulating the midbrain central gray matter (CGM) with trains of 10-20 stimuli was found to inhibit response to electrical stimulation of infraorbital nerve and tooth pulp A-alpha and A-delta afferents at 100 msec intervals in 65% of the caudal trigeminal nucleus in neurons tested during experiment...

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Bibliographic Details
Published in:Neurophysiology (New York) 1988-11, Vol.20 (6), p.526-531
Main Authors: Gura, E. V., Yakhnitsa, V. A., Limanskii, Yu P.
Format: Article
Language:English
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Summary:Stimulating the midbrain central gray matter (CGM) with trains of 10-20 stimuli was found to inhibit response to electrical stimulation of infraorbital nerve and tooth pulp A-alpha and A-delta afferents at 100 msec intervals in 65% of the caudal trigeminal nucleus in neurons tested during experiments on cats under chloralose-Nembutal anesthesia. Response was inhibited most effectively in "convergent" neurons (activated by stimulating infraorbital nerve and tooth pulp A-alpha and A-delta afferents) to stimulating tooth pulp and, to a somewhat lesser degree, to stimulation of A-alpha afferents.
ISSN:0090-2977
1573-9007
DOI:10.1007/BF02150253