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KMID : 1129720100270020141
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Korean Journal of Acupuncture
2010 Volume.27 No. 2 p.141 ~ p.157
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The Effect of Acupuncture at PC7(Daereung) on EEG in Normal Human Subject
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Park Cheol-Jin
Lee Sang-Ryoung
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Abstract
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Objectives : The aim of this study is to examine the effects of acupuncture at PC7(Daereung) on normal human EEG using power spectral analysis.
Methods : EEG power spectrum exhibits site-specific and state-related differences in specific frequency bands. In this study, power spectrum was used as a measure of complexity. 30 subjects (16 males and 14 females; averaged age = 23.4 years) were engaged with thirty channel EEG study.
Results : In α(alpha) band, the power values at Fp1, Fp2, F7, F8 channels(p<0.05) during PC7 treatment were significantly decreased. But, the power values at Fz channel(p<0.05) during non-acupoint treatment was significantly decreased. In β(beta) band, the power values at Fp1, Fp2 channels(p<0.05) during PC7 treatment were significantly decreased. But, the power values at Fz channel(p<0.05) during non-acupoint treatment was significantly decreased and at F8, TCP2 channels(p<0.05) during non-acupoint treatment were increased. In θ(theta) band, the power values at Fp1, Fp2, F7, F8 channels(p<0.05) during PC7 treatment were significantly decreased. But, the power values at Fz channel(p<0.05) during non-acupoint treatment was significantly decreased. In δ(delta) band, the power values at Fp1, Fp2, F7, Fz, F8 channels (p<0.05) during PC7 treatment were significantly decreased. But, the power values at Fz channel (p<0.05) during non-acupoint treatment was significantly decreased. α/β values during PC7 treatment were decreased. β/θ values during PC7 treatment were decreased.
Conclusion : These results suggest that acupuncture at PC7 induce the change on α(alpha), β(beta), θ(theta), δ(delta) wave values being decreased and and bothe α/β and β/θ values being decreased respectively. This is considered that acupuncture at PC7 affects the activity of cerebral cortex and endocrine system.
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KEYWORD
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acupuncture, EEG, PC7(Daereung), complexity, power spectrum
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