Spontaneous formation of synchronization clusters in homogenous neuronal ensembles induced by noise and interaction delays

preprint2012arXivOpen access

Abstract

Spontaneous formation of clusters of synchronized spiking in a structureless ensemble of equal stochastically perturbed excitable neurons with delayed coupling is demonstrated for the first time. The effect is a consequence of a subtle interplay between interaction delays, noise and the excitable character of a single neuron. Dependence of the cluster properties on the time-lag, noise intensity and the synaptic strength is investigated.

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