Electroencephalogram Source Localization and Brain Network of Magnetic Stimulation at Acupoints to Regulate Negative Emotion
Yin Ning1,2, Zhang Jiahao1,2, Wang Haili1,2, Wang Aoxiang1,2, Xu Guizhi1,2
1. State Key Laboratory of Reliability and Intelligence of Electrical Equipment Hebei University of Technology Tianjin 300130 China; 2. Tianjin Key Laboratory of Bioelectromagnetic Technology and Intelligent Health Hebei University of Technology Tianjin 300130 China
Abstract：Magnetic stimulation technology, EEG source localization, brain network, subjective analysis and traditional acupoint theory were combined to discuss the regulation effect of magnetic stimulation at Shenmen acupoint (HT7) on negative emotion. The EEG signals of resting, video- induced negative emotion and video-induced combined with acupoint stimulation were analyzed by standard low-resolution electromagnetic tomography. The functional networks of cerebral cortex were constructed by complex network theory, and the local and global topological characteristics were compared. The results show that the prefrontal lobe, temporal lobe, parietal lobe and other emotional related brain areas change significantly when the Shenmen acupoint was magnetically stimulated. The node degrees of prefrontal lobe and temporal lobe decreased by 10.6% and 6.2%, respectively, and the node degrees of temporal polar region and marginal lobe increased by 6.1% and 8.2%, respectively. The overall average degree of brain network increased by 1%, and the average clustering coefficient decreased by 5%. Magnetic stimulation of the Shenmen acupoint has a regulatory effect on negative emotion. It is speculated that some activities of prefrontal lobe and temporal lobe are transferred to temporal polar region and marginal lobe.
尹宁, 张家皓, 王海力, 王敖翔, 徐桂芝. 磁刺激穴位调节负性情绪的脑电溯源和脑网络研究[J]. 电工技术学报, 2021, 36(4): 756-764.
Yin Ning, Zhang Jiahao, Wang Haili, Wang Aoxiang, Xu Guizhi. Electroencephalogram Source Localization and Brain Network of Magnetic Stimulation at Acupoints to Regulate Negative Emotion. Transactions of China Electrotechnical Society, 2021, 36(4): 756-764.
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