论文标题

神经元网络中同步抑制的时间延迟的影响

The effect of time delay for synchronisation suppression in neuronal networks

论文作者

Hansen, Matheus, Protachevicz, Paulo R., Iarosz, Kelly C., Caldas, Ibere L., Batista, Antonio M., Macau, Elbert E. N.

论文摘要

我们研究突触电导的时间延迟,以抑制霍奇金神经元的随机网络中尖峰同步,并通过化学突触耦合。在第一部分中,我们详细介绍了在同步和异步神经元活动期间的时间延迟如何通过网络作用。我们观察到神经元动力学与入学电导分布之间的关系。我们发现参数值,其中时间延迟在促进尖峰同步的抑制方面具有很高的有效性。在第二部分中,我们分析了延迟的神经元网络在神经元上应用不同特征(周期性,随机和混合)的脉冲输入时如何反应。我们显示了负责在延迟网络中诱导或不同步神经元振荡的主要参数。

We study the time delay in the synaptic conductance for suppression of spike synchronisation in a random network of Hodgkin Huxley neurons coupled by means of chemical synapses. In the first part, we examine in detail how the time delay acts over the network during the synchronised and desynchronised neuronal activities. We observe a relation between the neuronal dynamics and the syaptic conductance distributions. We find parameter values in which the time delay has high effectiveness in promoting the suppression of spike synchronisation. In the second part, we analyse how the delayed neuronal networks react when pulsed inputs with different profiles (periodic, random, and mixed) are applied on the neurons. We show the main parameters responsible for inducing or not synchronous neuronal oscillations in delayed networks.

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