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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한근전도전기진단의학회 대한근전도 전기진단의학회지 대한근전도 전기진단의학회지 제11권 제2호
발행연도
2009.1
수록면
98 - 104 (7page)

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Objectives: To estimate the effects of the direct current (DC) stimulation applied at the cervical region on corticospinal excitability Methods: 11 healthy volunteers (26.8±3.31Yrs) participated in this study. A weak direct current (2 mA) was delivered on their cervical region using a constant current stimulator for 20 minutes. The magnetic stimulation was applied over the primary motor cortex and motor evoked potential (MEP) was measured at the abductor pollicis brevis (APB) muscle. Experimental protocol was composed of 3 sessions according to directions of the application; Anterior neck anode/posterior neck cathode (AC) stimulation, Anterior cathode/posterior anode (CA) stimulation and Sham stimulation. The MEP amplitudes were measured before, during and after the DC stimulation. Results: Within AC stimulation and CA stimulation, each of MEP amplitude during stimulation and after the stimulation was significantly different from the initial amplitude. Between sessions, both of AC and CA stimulations were significantly different from Sham stimulation (P value<0.01), but it was not between AC and CA stimulation. Conclusion: Cervical application of the DC stimulation increased the corticospinal excitability. This effect maintained at least 10 minutes after stop of the stimulation. It might be effective tool for the corticospinal tract excitation.

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