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Title: Chaotic characteristics extraction of acupuncture neural electrical signals
Authors: Han, CX
Wang, J
Wong, YK
Tsang, KM 
Keywords: Acupuncture
Neural electrical signals
Spinal dorsal hom
Issue Date: 2013
Publisher: International Information Institute
Source: Information (japan), 2013, v. 16, no. 11, p. 8111-8120 How to cite?
Journal: Information (Japan) 
Abstract: Acupuncture, as a mechanical action, can be equivalent to an external stimulus to the neural system, which induces the neural system to evoke various kinds of neural electrical signals in that both the variation of the stimulus and the highly nonlinearity of the neural system itself. It is also found that different acupuncture manipulations can generate different kinds of fire patterns. Therefore, it is necessary to exploit the nonlinear characteristics from the neural electrical signals evoked by different acupuncture manipulations. For this study, an experiment is performed that acupuncture at Zusanli acupoint by four acupuncture manipulations with different frequency to obtain the spike trains at spinal dorsal hom. Because the neural information transmission underlying the temporal spike timing, so the concepts of interspike intervals and point-process are introduced and several nonlinear time series methods are applied to extract the nonlinear characteristics parameters from the neural electrical signals such as Lyapunov exponent, fractal dimension and complexity. Our results show that under the effect of the acupuncture, the neural electrical signals of spinal dorsal hom based on acupuncture at Zusanli acupoint shows obviously chaotic characteristics. Meanwhile, the neural coding of the electrical signal evoked by different acupuncture manipulates is obtained.
ISSN: 1344-8994
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