H波の変動をめぐって(<特集>脳と神経の研究III)

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Four hundred H waves were obtained for analysis by means of electrical shock every 5 seconds over a period of approximately 35 minutes. As the advantages of long period observation may be offset by extraneous factors, 100 H waves in 9 minutes under physiological conditions was considered sufficient for variation analysis. The distribution curve of the minimum amplitude of the H wave (H min.) of which variation can be recorded is asymmetric with its median lying close to zero. Different asymmetric curves with their medians distant from zero were given by the maximum H wave unaccompanied by the M wave (H max.) and the H wave compounded by some M wave amplitude. These two distribution types indicate the mode of the number of firing cells and the range of the subliminal fringe in the spinal cord in H min. and H max. Under the condition that the Achilles tendon was sufficiently extended and the action of the Golgi's tendon organ fully involved, the relationship of the H and M waves was examined by intensity of stimulation, spinal transmission recovery curve, and H wave variation. Compared to that condition where the Achilles tendon was not sufficiently extended and the action of the Golgi's tendon organ sub-maximal, the H wave threshold rose slightly and the maximum amplitude decreased. The spinal transmission recovery curve showed no essential change. This indicates the action of the Golgi's tendon organ and accords with the effects of the spinal transmission recovery curve gained by means of the T wave.
千葉大学の論文
1966-11-28

H波の変動をめぐって(<特集>脳と神経の研究III)

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