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首页> 外文期刊>Physica, A. Statistical mechanics and its applications >Coherence resonance induced by non-Gaussian noise in a deterministic Hodgkin-Huxley neuron
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Coherence resonance induced by non-Gaussian noise in a deterministic Hodgkin-Huxley neuron

机译:确定性Hodgkin-Huxley神经元中非高斯噪声引起的相干共振

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摘要

In this paper, we report a novel effect of a particular kind of non-Gaussian noise (NGN), especially its deviation from Gaussian noise, on the spiking activity in a deterministic Hodgkin-Huxley (HH) neuron. It is found via numerical simulations that the coefficient of variation (CV), characterizing the spiking regularity, nonlinearly changes with varying deviation and passes through a minimum at an optimal deviation value, representing the presence of the coherence resonance (CR). This phenomenon shows that, when the NGN is optimal, the neuron can exhibit the most regular firing behavior. This result provides a constructive role of the NGN in the timing precision of information processing and signal transduction in neural systems.
机译:在本文中,我们报告了一种特定类型的非高斯噪声(NGN),特别是其与高斯噪声的偏差,对确定性霍奇金-赫克斯利(HH)神经元的尖峰活动产生了新颖的影响。通过数值模拟发现,表征尖峰规律性的变异系数(CV)随偏差变化而非线性变化,并以最佳偏差值通过最小值,这表示相干共振(CR)的存在。这种现象表明,当NGN最佳时,神经元可以表现出最规则的放电行为。这一结果为NGN在神经系统中信息处理和信号转导的定时精度中发挥了建设性作用。

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