Abstract In this paper, we study spiking synchronization in three different types of Hodgkin-Huxley neuronal networks, which are the small-world, regular, and random neuronal networks. All the neurons are subjected to subthreshold stimulus and external noise. It is found that in each of all the neuronal networks there is an optimal strength of noise to induce the maximal spiking synchronization. We further demonstrate that in each of the neuronal networks there is a range of synaptic conductance to induce the effect that an optimal strength of noise maximizes the spiking synchronization. Only when the magnitude of the synaptic conductance is moderate, will the effect be considerable. However, if the synaptic conductance is small or large, the effect vanishes. As the connections between neurons increase, the synaptic conductance to maximize the effect decreases. Therefore, we show quantitatively that the noise-induced maximal synchronization in the Hodgkin-Huxley neuronal network is a general effect, regardless of the specific type of neuronal network.
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11065003), the Natural Science Foundation of Guangxi Zhuang Autonomous Region, China (Grant No. 2011GXNSFA018129), and the Research Funding of Guangxi Provincial Education Department, China (Grant No. 201012MS026).
Development of series SQUID array with on-chip filter for TES detector Wentao Wu(伍文涛), Zhirong Lin(林志荣), Zhi Ni(倪志), Peizhan Li(李佩展), Tiantian Liang(梁恬恬), Guofeng Zhang(张国峰), Yongliang Wang(王永良), Liliang Ying(应利良), Wei Peng(彭炜), Wen Zhang(张文), Shengcai Shi(史生才), Lixing You(尤立星), and Zhen Wang(王镇). Chin. Phys. B, 2022, 31(2): 028504.
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