Experimental bifurcation diagram of a circuit-implemented neuron model |
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Authors: | D Linaro M Storace |
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Institution: | Biophysical and Electronic Engineering Department, University of Genoa, Via Opera Pia 11a, I-16145 Genova, Italy |
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Abstract: | An experimental bifurcation diagram of a circuit implementing an approximation of the Hindmarsh-Rose (HR) neuron model is presented. Measured asymptotic time series of circuit voltages are automatically classified through an ad hoc algorithm. The resulting two-dimensional experimental bifurcation diagram evidences a good match with respect to the numerical results available for both the approximated and original HR model. Moreover, the experimentally obtained current-frequency curve is very similar to that of the original model. The obtained results are both a proof of concept of a quite general method developed in the last few years for the approximation and implementation of nonlinear dynamical systems and a first step towards the realisation in silico of HR neuron networks with tunable parameters. |
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Keywords: | Experimental bifurcation diagram Hardware neuron model Classification algorithm |
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