期刊
BIOSYSTEMS
卷 58, 期 1-3, 页码 101-107出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0303-2647(00)00112-X
关键词
Stochastic Resonance; FitzHugh-Nagumo equation; correlation coefficient; propagational time delay; noise-induced deterministic firing
Stochastic resonance in a coupled FitzHugh-Nagumo equation with a propagational time delay is investigated. With an appropriate set of parameter values, i.e. the frequency of the periodic input, the propagational time delay, and the coupling strength, a deterministic firing induced by additive noise is observed, and its dependence on the number of neurons is examined. It is also found that a network composed of two assemblies shows a competitive behavior under control of the noise intensity. (C) 2000 Elsevier Science Ireland Ltd. All rights reserved.
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