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Updated: Jun 17, 2026
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Manipulation of Epileptiform Electrocorticograms (ECoGs) and Sleep in Rats and Mice by Acupuncture
Published on: December 22, 2016
Electroencephalogram changes according to the subjective acupuncture sensation
Chang Shik Yin1, Hi-Joon Park, Song-Yi Kim
1Acupuncture and Meridian Science Research Center, Kyung Hee University, Seoul 130-701, Korea.
Neurological Research
|December 26, 2009
Summary
Acupuncture significantly alters electroencephalogram (EEG) activity, particularly alpha and theta bands, correlating with subjective sensations. These EEG changes reflect the intensity of acupuncture sensations, suggesting a direct physiological link.
Area of Science:
- Neuroscience
- Integrative Medicine
- Biomedical Engineering
Background:
- Electroencephalogram (EEG) measures brain's electrical activity.
- Acupuncture sensation is a complex, subjective experience.
- Understanding the physiological basis of acupuncture sensation is crucial.
Purpose of the Study:
- Investigate EEG changes during acupuncture.
- Correlate EEG activity with subjective acupuncture sensations.
- Explore the link between objective brain activity and subjective experience.
Main Methods:
- Utilized a 32-channel digital EEG system on 10 healthy volunteers.
- Recorded EEG during four periods: baseline, needle retention, needle manipulation, and aftermath.
- Analyzed alpha, beta, and theta band power in relation to acupuncture sensation questionnaire ratings.
Main Results:
- Higher ratings of needle retention sensations correlated with significant changes in alpha band EEG power.
- No significant EEG differences were observed across periods when not grouped by sensation ratings.
- Specific electrodes showed significant alpha and theta band power variations.
Conclusions:
- Acupuncture directly influences EEG activity.
- Subjective acupuncture sensations, particularly deqi, are linked to measurable EEG changes.
- EEG may serve as an objective measure for acupuncture's physiological effects.
