The spike timing precision of FitzHugh--Nagumo neuron network coupled by gap junctions |
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Authors: | Zhang Su-Hu Zhan Yong Yu Hui An Hai-Long and Zhao Tong-Jun |
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Institution: | School of Sciences, Hebei University of Technology, Tianjin 300130, China |
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Abstract: | It has been proved recently that the spike timing can play an important role in
information transmission, so in this paper we develop a network with N-unit
FitzHugh--Nagumo neurons coupled by gap junctions and discuss the dependence of the
spike timing precision on synaptic coupling strength, the noise intensity and the
size of the neuron ensemble. The calculated results show that the spike timing
precision decreases as the noise intensity increases; and the ensemble spike timing
precision increases with coupling strength increasing. The electric synapse coupling
has a more important effect on the spike timing precision than the chemical synapse
coupling. |
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Keywords: | spike timing precision gap junction FitzHugh--Nagumo model |
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