Operant conditioning of primate spinal reflexes: effect on cortical SEPs.

TitleOperant conditioning of primate spinal reflexes: effect on cortical SEPs.
Publication TypeJournal Article
Year of Publication1988
AuthorsWolpaw, J, Dowman, R
JournalElectroencephalography and clinical neurophysiology
Volume69
Pagination398–401
Date Published04/1988
ISSN0013-4694
Keywordscortical response, H-Reflex, Learning, Memory, operant conditioning, plasticity, somatosensory evoked potential, spinal reflex
Abstract

Previous studies have demonstrated operant conditioning of the primate spinal stretch reflex (SSR) and of its electrical analog, the H-reflex. We studied the evoked potential recorded over primary somatosensory cortex (SEP) which accompanies the H-reflex to determine whether the initial cortical response changes in the course of conditioned H-reflex change. When H-reflex amplitude changed, SEP amplitude also changed, but only half as much as the H-reflex. The results indicate that, while operant conditioning of the H-reflex has its largest effect on the spinal pathway of the reflex, it also has some effect on supraspinal pathways of the initial cortical response.

URLhttp://www.ncbi.nlm.nih.gov/pubmed/2450739
DOI10.1016/0013-4694(88)90012-0

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