Localized nonlinear excitations in diffusive memristor-based neuronal networks

A S Tankou Tagne, C N Takembo, H G Ben-Bolie and P Owona Ateba

PLOS ONE, 2019, vol. 14, issue 6, 1-16

Abstract: We extend the existing ordinary differential equations modeling neural electrical activity to include the memory effect of electromagnetic induction through magnetic flux, used to describe time varying electromagnetic field. Through the multi-scale expansion in the semi-discrete approximation, we show that the neural network dynamical equations can be governed by the complex Ginzburg-Landau equation. The analytical and numerical envelop soliton of this equation are reported. The results obtained suggest the possibility of collective information processing and sharing in the nervous system, operating in both the spatial and temporal domains in the form of localized modulated waves. The effects of memristive synaptic electromagnetic induction coupling and perturbation on the modulated action potential dynamics examined. Large electromagnetic induction coupling strength may contribute to signal block as the amplitude of modulated waves are observed to decrease. This could help in the development of a chemical brain anaesthesia for some brain pathologies.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0214989

DOI: 10.1371/journal.pone.0214989

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