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EEG Characteristics Under Magnetic Stimulation at Acupuncture Point and at Mock Point

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6 Author(s)
Hongli Yu ; Province-Minist. Joint Key Lab. of Electromagn. Field & Electr. Apparatus Reliability, Hebei Univ. of Technol., Tianjin, China ; Guizhi Xu ; Qian Zhou ; Shuo Yang
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Magnetic stimulation has more advantages than electric stimulation. Acupuncture point (acupoint) is a specific point in human body with high sensitivity to acupuncture treatment. In this paper, magnetic stimulation was used to stimulate Neiguan (PC6) acupoint and a mock point. 64-channel EEG signals in three stages (before, during and after magnetic stimulation) were recorded to study the difference of EEG characteristics when magnetic stimulation at PC6 acupoint and at the mock point. Brain evoked-potential component P300 was extracted during magnetic stimulation at PC6 acupoint, which was not extracted during magnetic stimulation at the mock point. Frontal, temporal, parietal-occipital and occipital lobes of cerebral cortex were activated after magnetic stimulation at PC6 acupoint. Parietal lobe of cerebral cortex was inactivated after magnetic stimulation at the mock point. It suggested that EEG characteristics under magnetic stimulation at PC6 acupoint were different from those under magnetic stimulation at the mock point.

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Magnetics, IEEE Transactions on  (Volume:48 ,  Issue: 11 )