Artículo

Medeiros, B.N.S.; Minces, V.; Mindlin, G.B.; Copelli, M.; Leite, J.R.R. "An excitable electronic circuit as a sensory neuron model" (2012) International Journal of Bifurcation and Chaos. 22(10)
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Abstract:

An electronic circuit device, inspired on the FitzHughNagumo model of neuronal excitability, was constructed and shown to operate with characteristics compatible with those of biological sensory neurons. The nonlinear dynamical model of the electronics quantitatively reproduces the experimental observations on the circuit, including the Hopf bifurcation at the onset of tonic spiking. Moreover, we have implemented an analog noise generator as a source to study the variability of the spike trains. When the circuit is in the excitable regime, coherence resonance is observed. At sufficiently low noise intensity the spike trains have Poisson statistics, as in many biological neurons. The transfer function of the stochastic spike trains has a dynamic range of 6 dB, close to experimental values for real olfactory receptor neurons. © 2012 World Scientific Publishing Company.

Registro:

Documento: Artículo
Título:An excitable electronic circuit as a sensory neuron model
Autor:Medeiros, B.N.S.; Minces, V.; Mindlin, G.B.; Copelli, M.; Leite, J.R.R.
Filiación:Departamento de Física, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
Department of Cognitive Neuroscience, University of California San Diego, San Diego, CA 92093-0515, United States
Departamento de Física, FCEN, Ciudad Universitaria, Pab. I, 1428 Buenos Aires, Argentina
Palabras clave:coherence resonance; dynamic range; Electronic circuit; excitable element; Hopf bifurcation; Networks (circuits); Stochastic systems; Timing circuits; Coherence resonance; Dynamic range; excitable element; Experimental values; FitzHugh-Nagumo model; Nonlinear dynamical models; Olfactory receptor neurons; Poisson statistic; Neurons
Año:2012
Volumen:22
Número:10
DOI: http://dx.doi.org/10.1142/S0218127412502446
Título revista:International Journal of Bifurcation and Chaos
Título revista abreviado:Int. J. Bifurcation Chaos
ISSN:02181274
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02181274_v22_n10_p_Medeiros

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Citas:

---------- APA ----------
Medeiros, B.N.S., Minces, V., Mindlin, G.B., Copelli, M. & Leite, J.R.R. (2012) . An excitable electronic circuit as a sensory neuron model. International Journal of Bifurcation and Chaos, 22(10).
http://dx.doi.org/10.1142/S0218127412502446
---------- CHICAGO ----------
Medeiros, B.N.S., Minces, V., Mindlin, G.B., Copelli, M., Leite, J.R.R. "An excitable electronic circuit as a sensory neuron model" . International Journal of Bifurcation and Chaos 22, no. 10 (2012).
http://dx.doi.org/10.1142/S0218127412502446
---------- MLA ----------
Medeiros, B.N.S., Minces, V., Mindlin, G.B., Copelli, M., Leite, J.R.R. "An excitable electronic circuit as a sensory neuron model" . International Journal of Bifurcation and Chaos, vol. 22, no. 10, 2012.
http://dx.doi.org/10.1142/S0218127412502446
---------- VANCOUVER ----------
Medeiros, B.N.S., Minces, V., Mindlin, G.B., Copelli, M., Leite, J.R.R. An excitable electronic circuit as a sensory neuron model. Int. J. Bifurcation Chaos. 2012;22(10).
http://dx.doi.org/10.1142/S0218127412502446