Stochastic resonance of electrochemical aperiodic spike trains
- 23 March 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 71 (3), 031110
- https://doi.org/10.1103/physreve.71.031110
Abstract
Aperiodic stochastic resonance in an electrochemical system with excitable dynamics is characterized in experiments and simulations. Two different spike trains, one with stochastic and the other with chaotic interspike intervals, are imposed on the system as subthreshold aperiodic signals. Information transmission is quantified by the cross correlation between the subthreshold input signal and the noise induced system response. A maximum is exhibited in the input-output correlation as a function of the noise amplitude. Numerical simulations with an electrochemical model are in excellent agreement with the experimental observations.Keywords
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