MANa 1 , WANGXuemin 1,2 , TIANMiao 1 , LIUJing 1 , QIHongzhi 1,2 , MINGDong 1,2 , ZHOUPeng 1,2
  • 1. School of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;
  • 2. Tianjin Key Laboratory of Biomedical Detection Technology and Instrumentation, Tianjin 300072, China;
ZHOUPeng, Email: zpzp@tju.edu.cn
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Somatosensory vibration can stimulate somatosensory area of human body, and this stimulation is tranferred to somatosensory nerves, and influences the somatic cortex, which is on post-central gyrus and paracentral lobule posterior of cerebral cortex, so that it alters the functional status of brain. The aim of the present study was to investigate the neural mechanism of brain state induced by somatosensory vibration. Twelve subjects were involved in the 20 Hz vibration stimulation test. Linear and nonlinear methods, such as relative change of relative power (RRP), Lempel-Ziv complexity (LZC) and brain network based on cross mutual information (CMI), were applied to discuss the change of brain under somatosensory vibration stimulation. The experimental results showed the frequency following response (FFR) by RRP of spontaneous electroencephalogram (EEG) in 20 Hz vibration, and no obvious change by LZC. The information transmission among various cortical areas enhanced under 20 Hz vibration stimulation. Therefore, 20 Hz somatosensory vibration may be able to adjust the functional status of brain.

Citation: MANa, WANGXuemin, TIANMiao, LIUJing, QIHongzhi, MINGDong, ZHOUPeng. Research on the Effects of 20 Hz Frequency Somatosensory Vibration Stimulation on Electroencephalogram Features. Journal of Biomedical Engineering, 2016, 33(6): 1046-1052. doi: 10.7507/1001-5515.20160168 Copy

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