Cortical functional networks of transcutaneous electrical stimulation at acupoints on the pericardial meridian

IF 2 3区心理学 Q3 BEHAVIORAL SCIENCES

Neuropsychologia Pub Date : 2023-10-10 DOI:10.1016/j.neuropsychologia.2023.108669

Haili Wang , Ning Yin , Aoxiang Wang , Guizhi Xu

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引用次数: 0

Abstract

To explore the relationship between pericardial meridian acupoints and brain, the electroencephalogram (EEG) signals were collected synchronously during transcutaneous electrical stimulation at PC3, PC5, PC7, and PC8 on the pericardial meridian in 21 healthy subjects. The cerebral cortex functional networks were constructed by standard low-resolution electromagnetic tomography (sLORETA), phase-locking value (PLV) and complex network methods. The prefrontal cortex (BA10), the orbitofrontal cortex (BA11), the middle temporal gyrus (BA21), the temporal gyrus (BA22), the temporal pole (BA38), the triangular part (BA44), the dorsolateral prefrontal cortex (BA46), and the inferior frontal cortex (BA47) were activated by electrical stimulation at PC3, PC5, PC7, and PC8 on the pericardium meridian. These activated brain regions are able to modulate both local and remote emotion and cognitive networks. Acupoint stimulation of pericardium meridian mainly activated the frontal and the temporal lobes. Compared with non-acupoint stimulation, the node degree in the frontal lobe of electrical stimulation at PC3 (p < 0.05), PC5 (p < 0.05), PC7 (p < 0.01), PC8 (p < 0.05) and the temporal lobe of PC3 (p < 0.05), PC5 (p < 0.05), PC7 (p < 0.05), PC8 (p < 0.01) were significantly increased. The clustering coefficient in the frontal lobe of the stimulation at PC3 (p < 0.05), PC5 (p < 0.05), PC7 (p < 0.01), PC8 (p < 0.05) and the temporal lobe of PC3 (p < 0.05), PC5 (p < 0.05), PC7 (p < 0.01), PC8 (p < 0.05) were significantly increased. The characteristic path length decreased and the global efficiency increased during acupoint stimulation. The changes of functional network of stimulated pericardium meridian through cerebral cortex may provide theoretical support for the specificity of meridian and acupoints.

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心包经穴位经皮电刺激的皮层功能网络。

为了探讨心包经穴位与大脑的关系，对21名健康受试者在经皮电刺激心包经PC3、PC5、PC7和PC8时同步采集脑电图信号。采用标准低分辨率电磁层析成像（sLORETA）、锁相值（PLV）和复杂网络方法构建大脑皮层功能网络。通过电刺激心包经上的PC3、PC5、PC7和PC8，激活前额叶皮层（BA10）、眶额皮层（BA11）、颞中回（BA21）、颞回（BA22）、颞极（BA38）、三角形部分（BA44）、背外侧前额叶皮质（BA46）和额下皮层（BA47）。这些被激活的大脑区域能够调节本地和远程的情绪和认知网络。穴位刺激心包经主要激活额叶和颞叶。与非穴位刺激相比，PC3电刺激的额叶节度（p

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来源期刊

Neuropsychologia 医学-行为科学

CiteScore

5.10

自引率

3.80%

发文量

228

审稿时长

4 months

期刊介绍： Neuropsychologia is an international interdisciplinary journal devoted to experimental and theoretical contributions that advance understanding of human cognition and behavior from a neuroscience perspective. The journal will consider for publication studies that link brain function with cognitive processes, including attention and awareness, action and motor control, executive functions and cognitive control, memory, language, and emotion and social cognition.