基于脑电非线性动力学特征探究TEAS内关穴对焦虑的影响

doi:10.3969/j.issn.1000-1158.2022.01.21

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Abstract To explore the effect of Transcutaneous electrical acupoint stimulation (TEAS) Neiguan on anxiety and its possible mechanisms based on the nonlinear dynamic characteristics of EEG. Twelve anxiety patients are randomly divided into two groups. The acupuncture group receives TEAS on Neiguan point, the non-acupuncture group receives TEAS on non-acupuncture point. the EEG data is collected before and after the experiment. EEG characteristics, approximate entropy (ApEn) and correlation dimension (D;2), are extracted and analyzed to study the change of complexity, and use the change of SAS to assess the effect. Experimental results showed that the scale scores are significantly reduced, and the complexity assume a downward trend in the acupuncture group. The ApEn data are decline significantly in region AF3、F7、F3、P7、F8、F4、AF4 (p<0.05); the D;2 data of the AF3、F3、Fc5、T7、P7、F8 、F4、AF4 are markedly decline (p<0.05). There are no significant change in SAS、ApEn and D;2 of the non-acupuncture group. The results proved that TEAS Neiguan point can decrease anxiety, reduce the complexity of each brain region, the change mainly occur in bilateral frontal regions and bilateral temporal regions.

Key words： metrology EEG signal acupoint of Neiguan anxiety transcutaneous electrical acupoint stimulation approximate entropy correlation dimension

Received: 20 March 2020 Published: 06 January 2022

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TB99

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	FAN Feng-jie
	BAI Yang
	JI Hui-fang

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FAN Feng-jie,BAI Yang,JI Hui-fang. Explore the Influence of Transcutaneous Electrical Acupoint Stimulation Neiguan Point on Anxiety Based on Electroencephalogram Nonlinear Dynamic Analysis Method[J]. Acta Metrologica Sinica, 2022, 43(1): 133-139.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2022.01.21 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2022/V43/I1/133

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