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KMID : 1020120110090020019
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Journal of the Korean Academy of Clinical Electrophysiology
2011 Volume.9 No. 2 p.19 ~ p.24
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Anodal Effects of Transcranial Direct Current Stimulation on the Excitability of Central Neuron
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Lim Young-Eun
Jung Jin-Sun
Lee Jeong-Woo
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Abstract
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Purpose : This study is to examine the effects of transcranial direct current stimulation on the excitability of the central neuron.
Methods : This study selected 24 suitable women in their twenties. A positive electrode of transcranial direct current stimulation was placed on the primary motor area (M1) C4 and a negative electrode was placed on the left supraobital. A stimulation of 0.04mA/㎠ was applied for 20 minutes. H-reflex and V wave used diagnostic electromyography. An active electrode was placed at the muscle belly of the medial gastrocnemius muscle at a prone posture. An electrical stimulation was given to the posterior tibial nerve. Measurements were made before and after the stimulation. All data were analyzed with SPSS 12.0 and between each measuring before and after the change of the H-reflex and V wave amplitude.
Results : There were no significant differences in all H wave, M wave, and V wave amplitude before and after
transcranial direct current stimulation. There were no significant differences in the change of H/M ratio and V/M ratio before and after transcranial direct current stimulation.
Conclusion : We know that transcranial direct current stimulation cannot have an influence on a normal grown-up person’s central neuron.
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KEYWORD
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Transcranial direct current stimulation, Central neuron, H-reflex, V wave
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