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Cluster synchronization of spiking induced by noise and interaction delays in homogenous neuronal ensembles

Authorized Users Only
2012
Authors
Franović, Igor
Todorović, Kristina
Vasović, Nebojša
Burić, Nikola
Article (Published version)
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Abstract
Properties of spontaneously formed clusters of synchronous dynamics in a structureless network of noisy excitable neurons connected via delayed diffusive couplings are studied in detail. Several tools have been applied to characterize the synchronization clusters and to study their dependence on the neuronal and the synaptic parameters. Qualitative explanation of the cluster formation is discussed. The interplay between the noise, the interaction time-delay and the excitable character of the neuronal dynamics is shown to be necessary and sufficient for the occurrence of the synchronization clusters. We have found the two-cluster partitions where neurons are firmly bound to their subsets, as well as the three-cluster ones, which are dynamical by nature. The former turn out to be stable under small disparity of the intrinsic neuronal parameters and the heterogeneity in the synaptic connectivity patterns.
Source:
Chaos, 2012, 22, 3
Publisher:
  • Amer Inst Physics, Melville
Projects:
  • Modeling and Numerical Simulations of Complex Many-Body Systems (RS-171017)

DOI: 10.1063/1.4753919

ISSN: 1054-1500

PubMed: 23020486

WoS: 000309427500047

Scopus: 2-s2.0-84866895047
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12
13
URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/1647
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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