Entrainment of Weakly Coupled Canonical Oscillators with Applications in Gradient Frequency Neural Networks Using Approximating Analytical Methods

AmirAli Farokhniaee, Felix V. Almonte, Susanne Yelin and Edward W. Large
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AmirAli Farokhniaee: Department of Physics, University of Connecticut, Storrs, CT 06269, USA
Felix V. Almonte: Center for Complex Systems and Brain Sciences, Florida Atlantic University, Boca Raton, FL 33431, USA
Susanne Yelin: Department of Physics, University of Connecticut, Storrs, CT 06269, USA
Edward W. Large: Music Dynamics Laboratory, Department of Psychology, University of Connecticut, Storrs, CT 06269, USA

Mathematics, 2020, vol. 8, issue 8, 1-20

Abstract: Solving phase equations for systems with high degrees of nonlinearities is cumbersome. However, in the case of two coupled canonical oscillators, that is, a reduced model of translated Wilson–Cowan neuronal dynamics, under slowly varying amplitude and rotating wave approximations, we suggested a convenient way to find their average relative phase evolution. This approach enabled us to find an explicit solution for the average relative phase of the two coupled canonical oscillators based on the original neuronal model parameters, and importantly, to find their phase-locking constraint. This methodology is straightforward to implement in any Wilson–Cowan-type coupled oscillators with applications in gradient frequency neural networks (GFNNs).

Keywords: dynamical systems; nonlinear phenomena; nonlinear differential equations; approximate analytical solutions; neuronal population dynamics; gradient frequency neural networks; canonical model (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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