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Effect of Time Delay on the variability of output pattern of CPG network

Minxing Yu  Jiang Wang  Haitao Yu  Yingmei Qin  
【摘要】:In this paper, a simplified mathematic model of respiratory pattern is developed. We modeled the input from the vagus nerve as a delayed copy of the Pre-I output. And we investigate the effect of the delayed input from Pre-I to Post-I on the respiratory network. The excitatory vagus feedback can decrease the mean period duration and the variability of the respiratory network for different channel numbers. For different delay time of feedback, there exists a specific delay time to make the variability of the network output(of Pre-I neuron) achieves a minimum.

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