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KMID : 1020120040020030037
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Journal of the Korean Academy of Clinical Electrophysiology
2004 Volume.2 No. 3 p.37 ~ p.49
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The Change of Spinal Neuron Excitability by Cranial Electrostimulation(CES) in Rats
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Jung Dae-In
Lee Jeong-Woo
Kim Tae-Youl
Kim Young-Il
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Abstract
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The purpose of this study was to determine the effect of spinal motor neuron excitability by cranial electrostimulation(CES). The fifteen Sparague-Dawley adult male rats were assigned to the three groups; GroupI(control), GroupII(low rate CES), GroupIII(high rate CES). Spinal motor neuron excitability was measured to use a computerized H reflex. The results of this study was as follows; M latency, M amplitude and H latency were no significant difference in all groups on repeated measured ANOVA(p>.05) but low rate CES and high rate CES groups were lower than ether group in comparative measurement of H amplitude and Hmax/Mmax ratio(p<.05). These results lead to the conclusion that spinal neuron excitability was influenced by CES. These results suggest that CES had the capability to lower spinal motor neuron excitability used synaptic blockade in spinal segment.
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KEYWORD
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Cranial Electrostimulation, Spinal motor neuron, H reflex
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