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KMID : 0387420090200020085
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Korean Society of Oriental Neuropsychiatry
2009 Volume.20 No. 2 p.85 ~ p.99
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The Effects of Acupuncture Stimulation on Acupoints Related to Mind
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Lee Seung-Gi
Choi Woo-Jin
Sim Seong-Youn
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Abstract
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Objectives: This study aimed to understand the influence of acupuncture on the human body by comparing changes within human bodies before and after people in normal health are treated with acupuncture at the acupoints HT7 and PC9, which are related to mental functions.
Methods: The study was performed from January 3, 2008 to March 5, 2008 on 60 healthy males and females in their 20s. HRV, EEG, skin conductance response, respiration and peripheral skin temperature were measured for 5 minutes before acupuncture simulation was applied to the acupoints HT7 and PC9. During 20 minutes of acupuncture treatment, the same items were continuously measured to determine whether there had been any changes, and they were then measured for 5 minutes after the removal of the acupuncture needles in order to implement a comparative analysis.
Results: 1. The HRV measurement showed that in the course of before, during and after acupuncture stimulation, heart rate, HF and HF norm decreased significantly (P<0.05) at HT7. LF, LF norm, and LF/HF ratio increased significantly (P>0.05), while heart rate, HF and HF norm decreased significantly (P<0.05) at PC9. 2. Skin conductance response increased significantly (P<0.05) at PC9 during and after the acupuncture simulation periods, compared with the pre acupuncture period. 3. the peripheral skin temperature increased significantly (P<0.05) both at HT7 and PC9 in the course of before, during and after acupuncture stimulation. 4. Compared with the pre-acupuncture period, respiration rate increased both at HT7 and at PC9 during and after the acupuncture simulation periods, but not in a statistically significance. 5. In the EEG measurement, when compared with the pre-acupuncture period at HT7, mid β wave decreased significantly (P<0.05) during acupuncture treatment. Compared with the measurements during acupuncture treatment at PC9, low β wave increased significantly (P<0.05) after the acupuncture needles were removed.
Conclusions: When acupuncture treatment is applied at the acupoints HT7 and PC9, the activation of parasympathetic nerves decreases and the activation of sympathetic nerves increases in the HRV measurement. It was determined that PC9 makes the sympathetic nerves become highly activated in a skin conduction response. The effect of stability in the brain wave seemed to bo shown at HT7 than PC9.
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KEYWORD
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Acupuncture Stimulation, Autonomic Nervous System, Heart Rate Variability(HRV), Electroencephalogram(EEG)
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