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Effects of arrangement of heterogeneous neurons on frequency synchronization of a ring-coupled neuronal network

Sun Xiao-Juan Yang Bai-Hua Wu Ye Xiao Jing-Hua

Effects of arrangement of heterogeneous neurons on frequency synchronization of a ring-coupled neuronal network

Sun Xiao-Juan, Yang Bai-Hua, Wu Ye, Xiao Jing-Hua
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  • Received Date:  02 April 2014
  • Accepted Date:  21 May 2014
  • Published Online:  20 September 2014

Effects of arrangement of heterogeneous neurons on frequency synchronization of a ring-coupled neuronal network

  • 1. School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 11272024, 11375033), and the Fundamental Research Funds for the Central Universities (Grant No. 2013RC0904).

Abstract: In this paper, we discuss the effects of heterogeneous neuron arrangement on the frequency synchronization of a ring-coupled FitzHugh-Nagumo neuronal network. The obtained numerical results reveal that the threshold of coupling strength for frequency synchronization may be different for different arrangements of the heterogeneous neurons on a ring. On average, the closer to each other the neurons which are less heterogeneous on a ring, the larger the critical coupling strength needed for neuronal network to achieve frequency synchronization is; the closer to each other the neurons which are more heterogeneous, the smaller the critical coupling strength needed for neuronal network to achieve frequency synchronization is. Furthermore, we give the underlined mechanism for this phenomenon by analyzing the process of frequency synchronization.

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