Response mechanism of the auditory FitzHugh–Nagumo neuron

Zhao Yao, Lidan Wang and Shukai Duan

Chaos, Solitons & Fractals, 2025, vol. 201, issue P2

Abstract: Auditory neurons transduce sound into neuronal signals, but their responses remain poorly understood under multiple stimuli. When an auditory FitzHugh–Nagumo neuron is driven by a single stimulus, it exhibits abundant firing modes that enable sound discrimination, including bursting, spiking, periodic, and even chaotic firing patterns. With multiple stimuli, higher-energy stimuli dominate the information content of mixed firing modes, while higher-frequency stimuli govern phase coherence. Notably, periodic firing determines the rhythm of mixed firing patterns even in the presence of chaotic stimuli, and it indicates inherent stabilization mechanisms. These findings illuminate how auditory neurons encode competing stimuli, and they establish a theoretical basis for neuronal information processing in complex acoustic environment.

Keywords: Auditory neuron; FithHugh-Nagumo neuron; Response mechanism; Multiple stimuli (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:201:y:2025:i:p2:s0960077925014353

DOI: 10.1016/j.chaos.2025.117422

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