Exploring human rhythmic gait movement in the role of cerebral cortex signal

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%i7Ib?L2~6p0Exploring human rhythmic gait movement in the role of cerebral cortex signal水利论文6o1t;WoQ9I|&Q

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Abstract:The rhythmic movement is a spontaneous behavior due to the central pattern generator(CPG).At present,the CPG model only shows the spontaneous behavior,but does not refer to the instruction regulation role of the cerebral cortex.In this paper,a modified model based on the Matsuoka neural oscillator theory is presented to better show the regulation role of the cerebral cortex signal to the CPG neuronal network.The complex interaction between the input signal and other parameters in the CPG network is established,making all parameters of the CPG vary with the input signal.In this way,the effect of the input signal to the CPG network is enhanced so that the CPG network can express the self-regulation movement state instead of being limited to the spontaneous behavior,and thus the regulation role of the cerebral cortex signal can be reflected.Numerical simulation shows that the modified model can generate various movement forms with different modes,frequencies,and interchanges between them.It is revealed in theories that the cerebral cortex signal can regulate the mode and frequency of the gait in the course of the gait movement.

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Wei DONG Ru-bin WANG Zhi-kang ZHANG

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j-B$D.a&z A]:H0Institute for Cognitive Neurodynamics,School of Information Science and Engineering,East China University of Science and Technology,Shanghai 200237,P.R.China水利论文*eMA-H^]5Z"I

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期 刊:

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应用数学和力学(英文版)

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Journal:水利论文-en-|g c

i+gXC K\HW)m:~0APPLIED MATHEMATICS AND MECHANICS

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2011, 32(2)

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Keywords:水利论文z0uS&u7[[

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central pattern generator(CPG)

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gait movement

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rhythmic movement

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cerebral cortex signal

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conversion function

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cerebral cortex movement human regulation input signal network modified model CPG interaction instruction instead of different theories limited express complex central theory neural making

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:W.?/Ap~)m4zvV'c0Project supported by the National Natural Science Foundation of China,the Fundamental Research Fund for the Central Universities水利论文o{|&AMz0Y4EE

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