High-frequency effects in the FitzHugh-Nagumo neuron model

(2) Departamento de Matem\'aticas y F\'isica Aplicadas y Ciencias de la Naturaleza; David Cubero (1); Jes\'us Casado-Pascual ((1) F\'isica Te\'orica; Jos\'e Pablo Baltan\'as (2); Madrid; Spain; Spain); Universidad de Sevilla; Universidad Rey Juan Carlos

arxiv: cond-mat/0606496 · v1 · pith:J3TTAOIDnew · submitted 2006-06-19 · ❄️ cond-mat.stat-mech

High-frequency effects in the FitzHugh-Nagumo neuron model

David Cubero (1) , Jos\'e Pablo Baltan\'as (2) , Jes\'us Casado-Pascual ((1) F\'isica Te\'orica , Universidad de Sevilla , Spain , (2) Departamento de Matem\'aticas y F\'isica Aplicadas y Ciencias de la Naturaleza , Universidad Rey Juan Carlos , Madrid

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classification ❄️ cond-mat.stat-mech

keywords high-frequencyexcitablefiringfitzhugh-nagumomodelaboveactivityaddition

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The effect of a high-frequency signal on the FitzHugh-Nagumo excitable model is analyzed. We show that the firing rate is diminished as the ratio of the high-frequency amplitude to its frequency is increased. Moreover, it is demonstrated that the excitable character of the system, and consequently the firing activity, is suppressed for ratios above a given threshold value. In addition, we show that the vibrational resonance phenomenon turns up for sufficiently large noise strength values.

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High-frequency effects in the FitzHugh-Nagumo neuron model

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