Neural mechanism for binaural pitch perception via ghost stochastic resonance

We present a physiologically plausible binaural mechanism for the perception of the pitch of complex sounds via ghost stochastic resonance. In this scheme, two neurons are driven by noise and a different periodic signal each (with frequencies f1 =k f0 and f2 = (k+1) f0, where k>1), and their outp...

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Autor principal: Balenzuela, Pablo
Otros Autores: García-Ojalvo, J.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: American Institute of Physics Inc. 2005
Acceso en línea:Registro en Scopus
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100 1 |a Balenzuela, Pablo 
245 1 0 |a Neural mechanism for binaural pitch perception via ghost stochastic resonance 
260 |b American Institute of Physics Inc.  |c 2005 
270 1 0 |m Balenzuela, P.; Departament de Física e Enginyeria Nuclear, Universitat Politècnica de Catalunya, Colom 11, E-08222 Terrassa, Spain; email: pablo.balenzuela@upc.edu 
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504 |a Longtin, A., Chialvo, D.R., (1998) Phys. Rev. Lett., 81, p. 4012 
504 |a Lindner, B., García-Ojalvo, J., Neiman, A., Schimansky-Geier, L., (2004) Phys. Rep., 392, p. 321 
504 |a Ullner, E., Zaikin, A., García-Ojalvo, J., Báscones, R., Kurths, J., (2003) Phys. Lett. A, 312, p. 348 
504 |a Victor, J.D., Conte, M.M., (2000) Visual Neurosci., 17, p. 959 
504 |a Chialvo, D.R., Calvo, O., Gonzalez, D.L., Piro, O., Savino, G.V., (2002) Phys. Rev. e, 65, p. 050902 
504 |a Chialvo, D.R., (2003) Chaos, 13, p. 1226 
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504 |a Calvo, O., Chialvo, D.R., (2004) Ghost Stochastic Resonance on An Electronic Circuit 
504 |a Buldú, J.M., Chialvo, D.R., Mirasso, C.R., Torrent, M.C., García-Ojalvo, J., (2003) Europhys. Lett., 64, p. 178 
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504 |a Buldú, J.M., González, C.M., Trull, J., Torrent, M.C., García-Ojalvo, J., (2005) Chaos, 15, p. 013103 
504 |a Morris, C., Lecar, H., (1981) Biophys. J., 35, p. 193 
504 |a St-Hilaire, M., Longtin, A., (2004) J. Comput. Neurosci., 16, p. 299 
504 |a Balenzuela, P., Garcia-Ojalvo, J., ; Tsumoto, K., Yoshinaga, T., Ahiara, K., Kawakami, H., (2002) Proc. International Symposium on Nonlinear Theory and Its Applications, 1, p. 363 
504 |a Destexhe, A., Mainen, Z.F., Sejnowski, T.J., (1994) Neural Comput., 6, p. 14 
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506 |2 openaire  |e Política editorial 
520 3 |a We present a physiologically plausible binaural mechanism for the perception of the pitch of complex sounds via ghost stochastic resonance. In this scheme, two neurons are driven by noise and a different periodic signal each (with frequencies f1 =k f0 and f2 = (k+1) f0, where k>1), and their outputs (plus noise) are applied synaptically to a third neuron. Our numerical results, using the Morris-Lecar neuron model with chemical synapses explicitly considered, show that intermediate noise levels enhance the response of the third neuron at frequencies close to f0, as in the cases previously described of ghost resonance. For the case of an inharmonic combination of inputs (f1 =k f0 +Δf and f2 = (k+1) f0 +Δf) noise is also seen to enhance the rates of most probable spiking for the third neuron at a frequency fr = f0 + [Δf (k+12)]. In addition, we show that similar resonances can be observed as a function of the synaptic time constant. The suggested ghost-resonance-based stochastic mechanism can thus arise either at the peripheral level or at a higher level of neural processing in the perception of pitch. © 2005 American Institute of Physics.  |l eng 
593 |a Departament de Física e Enginyeria Nuclear, Universitat Politècnica de Catalunya, Colom 11, E-08222 Terrassa, Spain 
593 |a Departamento de Física, FCEyN, Ciudad Universitaria (1428), Buenos Aires, Argentina 
700 1 |a García-Ojalvo, J. 
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