TITLE

Spike phase synchronization in delayed-coupled neural networks: Uniform vs. non-uniform transmission delay

AUTHOR(S)
Jalili, Mahdi
PUB. DATE
March 2013
SOURCE
Chaos;Mar2013, Vol. 23 Issue 1, p013146
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this paper, we investigated phase synchronization in delayed dynamical networks. Non-identical spiking Hindmarsh-Rose neurons were considered as individual dynamical systems and coupled through a number of network structures such as scale-free, Erdős-Rényi, and modular. The individual neurons were coupled through excitatory chemical synapses with uniform or distributed time delays. The profile of spike phase synchrony was different when the delay was uniform across the edges as compared to the case when it was distributed, i.e., different delays for the edges. When an identical transmission delay was considered, a quasi-periodic pattern was observed in the spike phase synchrony. There were specific values of delay where the phase synchronization reached to its peaks. The behavior of the phase synchronization in the networks with non-uniform delays was different with the former case, where the phase synchrony decreased as distributed delays introduced to the networks.
ACCESSION #
86446963

 

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