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KMID : 1129720190360040241
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Korean Journal of Acupuncture
2019 Volume.36 No. 4 p.241 ~ p.251
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Effect of Electroacupuncture at GB14 on Brain Activity
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Kang Tae-Ri
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Abstract
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Objectives : The purpose of this study was to examine the effects of electroacupuncture at GB14, on brain activity assessed on an electroencephalogram(EEG).
Methods : (1) Thirty-four healthy participants were randomly divided into two groups, receiving either real acupuncture or non-penetrating sham acupuncture at GB14. (2) EEG measurements were conducted simultaneously before and after a 5-minute electroacupuncture stimulation, and the differences in the resulting EEG parameters were compared between the test and control groups.
Results : (1) Absolute power increased significantly in the theta-wave channel of the occipital region and in the entire alpha-wave channel. (2) Relative power decreased significantly in the theta-wave channels of the frontal and occipital regions. (3) Coherence decreased significantly in the theta- and beta-wave channels of the parietal and occipital regions, and increased significantly in the alpha-wave channels of most areas.
Conclusions : This study shows that electroacupuncture stimulation at GB14 activates the alpha frequency band in particular.
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KEYWORD
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GB14, EEG, electroacupuncture, RCT
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