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Japanese

An Analytical Method of the Activity of the Spinal Cord M. Kuno 1 , A. Muneoka 1 1Dept. of Physiology, Yamaguchi Medical College pp.35-38
Published Date 1961/2/15
DOI https://doi.org/10.11477/mf.2425906175
  • Abstract
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 Monosynaptic reflex responses were simultaneously recorded from flexor and extensor motor nerves in the cat following stimulation of distally cut dorsal roots. The reflex response was expressed relative to amplitude of response given by discharge of the total motoneuron pool. Each flexor monosynaptic reflex response was plotted as a function of the extensor monosynaptic reflex response which was simultaneously recorded. When about 25 reflex responses were successively obtained, the distribution of points in such analytical diagram varied considerably in different preparations, being dependent upon the condition of the spinal cord. The analysis was made in decerebrate animals, acute and chronic spinal cats and under administration of gammaaminobutyric acid. It was concluded that a horizontal shift of the points in the analytical diagram is attributable to a selective change in the internuncial activity and that a shift of the points along a slope of 45 degrees is due to a selective change of the motoneuron activity.


Copyright © 1961, THE ICHIRO KANEHARA FOUNDATION. All rights reserved.

基本情報

電子版ISSN 1883-5503 印刷版ISSN 0370-9531 金原一郎記念医学医療振興財団

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