Istituto di Biofisica     
Barbi M., Di Garbo A., Barbi F. Stochastic resonance in two simple compare-and-fire models. In: Biosystems, vol. 89 (1-3) pp. 58 - 62. Elsevier, 2007.
Two neural models are analysed and shown to exhibit the stochastic resonance effect. Namely, they respond to an underthreshold sinusoidal signal with an output signal whose signal-to-noise ratio (SNR) firstly increases then decreases as the intensity of noise affecting the system increases. The resonance curves are determined, analytically for the first and simplest model and by a synthetic method for the second one, and the respective resonant behaviours are illustrated and interpreted.
DOI: 10.1016/j.biosystems.2006.05.011
Subject Stochastic resonance
Signal-to-noise ratio
Compare-and-fire models

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