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Frequency Effect of Harmonic Noise on the FitzHugh–Nagumo Neuron Model |
| SONG Yan-Li
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School of Sciences, Tianjin University, Tianjin 300072
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SONG Yan-Li 2011 Chin. Phys. Lett. 28 120502 |
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Abstract Using harmonic noise, the frequency effect of noise on the FitzHugh–Nagumo neuron model is investigated. The results show that the neuron has a resonance characteristic and responds strongly to the noise with a certain frequency at fixed power. Driven by the noise with this frequency, the train is most regular and the coefficient of variation R has a minimum. The imperfect synchronization takes place, which, however, is optimal only for noise with an appropriate frequency. It is shown that there exists coherence resonance related to frequency.
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Received: 19 September 2011
Published: 29 November 2011
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