Dynamical behaviors and firing patterns in a fully memory-element emulator-based bionic circuit

Xincheng Ding, Weiwei Fan, Ning Wang, Yuanhui Su, Mo Chen, Yuan Lin and Quan Xu

Chaos, Solitons & Fractals, 2025, vol. 199, issue P1

Abstract: Memory-element-based bionic circuits can well characterize the electrophysiological behavior of a biological neuron and generate abundant neuron-like firing patterns. This paper deploys a charge-controlled memcapacitor, a voltage-controlled locally active memristor (LAM) with one DC voltage bias, a flux-controlled meminductor, and a sinusoidal stimulus to respectively characterize the neuronal membrane, ion channel, electromagnetic induction, and external stimulus, thereby a fully memory-element emulator-based bionic circuit is constructed. Numerical simulations demonstrate that the bionic circuit achieves diverse pattern transition behaviors through the forward/reverse period-doubling bifurcation routes, tangent bifurcation, and chaos crisis for the circuit parameters, which trigger diverse firing patterns, e.g., periodic and chaotic spiking activities. Besides, a hardware circuit using discrete components is successfully synthesized by memory-element emulators, and experimental measurements are carried out to support the numerical results and demonstrate the capability of the bionic circuit to produce neuron-like firing patterns.

Keywords: Firing pattern; Ion channel; Electromagnetic induction; Memory-element; Bionic circuit; Hardware experiment (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:199:y:2025:i:p1:s096007792500671x

DOI: 10.1016/j.chaos.2025.116658

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