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논문 기본 정보

자료유형
학술저널
저자정보
Kwon, Jung-Won (Department of Rehabilitation Science, Graduate School, Daegu University) Son, Sung-Min (Department of Rehabilitation Science, Graduate School, Daegu University) Kim, Chung-Sun (Department of Physical Therapy, College of Rehabilitation, Daegu University) Cho, In-Sul (Department of Physical Therapy, Yeungnam College of Science and Technology)
저널정보
대한물리치료학회 대한물리치료학회지(JKPT) 대한물리치료학회지 제23권 제6호
발행연도
2011.1
수록면
49 - 53 (5page)

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Purpose: The purpose of this study is to investigate whether dual-hemisphere transcranial direct current stimulation (tDCS) could induce more cortical activity, compared to single-hemisphere, using functional MRI (fMRI). Methods: One right-handed healthy subject was recruited. Three phases of dual-hemisphere tDCS (i.e. anodal tDCS over the left-dominant primary sensoriomotor cortex (SM1) and cathodal tDCS over the right-non dominant SM(1) were consecutively delivered on to a subject, during fMRI scanning. The voxel count and the intensity index in the averaged cortical map were analyzed among the three tDCS phases. Results: Our result showed that cortical activation was observed on all the three phases of the dual-hemisphere tDCS. Voxel count and intensity index were as following; 912 and 4.07 in the first phase, 1102 and 3.90 in the second phase, 1031 and 3.80 in the third phase. Conclusion: This study demonstrated that application of the dual-hemisphere tDCS could induce cortical activity and maintain to recruit cortical neurons. Our findings suggested that application of dual-hemisphere tDCS could produce efficiency of the ongoing tDCS effect to facilitate cortical excitability.

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