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- Dante R Chialvo, Oscar Calvo, Diego L Gonzalez, Oreste Piro, Guillermo V Savino
- Physical review. E, Statistical, nonlinear, and…
- 2002

We study the response of a model neuron, driven simultaneously by noise and at least two weak periodic signals. We focus on signals with frequencies components kf(0),(k+1)f(0),...(k+n)f(0) with k>1. The neuron's output is a sequence of pulses spaced at random interpulse intervals. We find an optimum input noise intensity for which the output pulses are… (More)

- G V Savino, L Romanelli, D L González, O Piro, M E Valentinuzzi
- Biophysical journal
- 1989

Toad ventricles were externally driven by periodic pulses while monophasic action potential (MAP) signals were recorded in seven excised and seven in situ ventricles. As the frequency was slowly increased in steps, the stimulated tissue displayed several dynamic characteristics. Hierarchies of periodic behavior, like phase-locking and period-doubling… (More)

- Guillermo V. Savino, Carlos M. Formigli
- Biosystems
- 2009

It is difficult to design electronic nonlinear devices capable of reproducing complex oscillations because of the lack of general constructive rules, and because of stability problems related to the dynamical robustness of the circuits. This is particularly true for current analog electronic circuits that implement mathematical models of bursting and… (More)

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