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Resonant activation in single and coupled stochastic FitzHugh-Nagumo elements

By Andrey V. Polovinkin, Evgeniya V. Pankratova, Dmitriy G. Luchinsky and Peter V. E. McClintock


The response of a noisy FitzHugh-Nagumo (FHN) neuron-like model to weak periodic forcing is analyzed. The mean activation time is investigated as a function of noise intensity and of the parameters of the external signal. It is shown by numerical simulation that there exists a frequency range within which the phenomenon of resonant activation occurs; resonant activation is also observed in coupled FHN elements. The mean activation time with small noise intensity is compared with the theoretical results

Year: 2004
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Provided by: Lancaster E-Prints

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