Volume 114, Number 5, June 2016
|Number of page(s)||6|
|Published online||05 July 2016|
Heterogeneous delay-induced asynchrony and resonance in a small-world neuronal network system
1 College of Science, China University of Mining and Technology - Xuzhou 221116, China
2 Department of Physics, Lanzhou University of Technology - Lanzhou 730050, China
Received: 14 March 2016
Accepted: 7 June 2016
A neuronal network often involves time delay caused by the finite signal propagation time in a given biological network. This time delay is not a homogenous fluctuation in a biological system. The heterogeneous delay-induced asynchrony and resonance in a noisy small-world neuronal network system are numerically studied in this work by calculating synchronization measure and spike interval distribution. We focus on three different delay conditions: double-values delay, triple-values delay, and Gaussian-distributed delay. Our results show the following: 1) the heterogeneity in delay results in asynchronous firing in the neuronal network, and 2) maximum synchronization could be achieved through resonance given that the delay values are integer or half-integer times of each other.
PACS: 05.45.-a – Nonlinear dynamics and chaos / 05.40.-a – Fluctuation phenomena, random processes, noise, and Brownian motion / 89.75.Kd – Patterns
© EPLA, 2016
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