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Open Access item Characterization of the anticipated synchronization regime in the coupled FitzHugh–Nagumo model for neurons

Authors:Toral, Raúl
Masoller, Cristina
Mirasso, Claudio R.
Ciszak, Marzena
Calvo, Óscar
Keywords:Synchronization, Excitability, Noise, Time delay, [PACS] Synchronization; coupled oscillators, [PACS] Noise, [PACS] Sensory perceptions
Issue Date:15-Apr-2003
Publisher:Elsevier
Citation:Physica A 325(1-2): 192-198 (2003)
Abstract:We characterize numerically the regime of anticipated synchronization in the coupled FitzHugh–Nagumo model for neurons. We consider two neurons, coupled unidirectionally (in a master–slave configuration), subject to the same random external forcing and with a recurrent inhibitory delayed connection in the slave neuron. We show that the scheme leads to anticipated synchronization, a regime in which the slave neuron fires the same train of pulses as the master neuron, but earlier in time. We characterize the synchronization in the parameter space (coupling strength, anticipation time) and introduce several quantities to measure the degree of synchronization.
Description:7 pages, 5 figures.-- PACS nrs.: 05.45.Xt; 05.40.Ca; 87.19.Bb.-- Printed version published Jul 1, 2003.-- Contributed to: "Stochastic Systems: From Randomness to Complexity" (Erice, Italy, Jul 26-Aug 1, 2002).
ArXiv pre-print available at: http://arxiv.org/abs/cond-mat/0210261
Publisher version (URL):http://dx.doi.org/10.1016/S0378-4371(03)00198-5
URI:http://hdl.handle.net/10261/14805
ISSN:0378-4371
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Appears in Collections:(IFISC) Artículos

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