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Synchronization and firing mode transition of two neurons in a bilateral auditory system driven by a high-low frequency signal |
Charles Omotomide Apata, Yi-Rui Tang(唐浥瑞), Yi-Fan Zhou(周祎凡), Long Jiang(蒋龙)†, and Qi-Ming Pei(裴启明)‡ |
School of Physics and Optoelectronic Engineering, Yangtze University, Jingzhou 434023, China |
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Abstract The FitzHugh-Nagumo neuron circuit integrates a piezoelectric ceramic to form a piezoelectric sensing neuron, which can capture external sound signals and simulate the auditory neuron system. Two piezoelectric sensing neurons are coupled by a parallel circuit consisting of a Josephson junction and a linear resistor, and a binaural auditory system is established. Considering the non-singleness of external sound sources, the high-low frequency signal is used as the input signal to study the firing mode transition and synchronization of this system. It is found that the angular frequency of the high-low frequency signal is a key factor in determining whether the dynamic behaviors of two coupled neurons are synchronous. When they are in synchronization at a specific angular frequency, the changes in physical parameters of the input signal and the coupling strength between them will not destroy their synchronization. In addition, the firing mode of two coupled auditory neurons in synchronization is affected by the characteristic parameters of the high-low frequency signal rather than the coupling strength. The asynchronous dynamic behavior and variations in firing modes will harm the auditory system. These findings could help determine the causes of hearing loss and devise functional assistive devices for patients.
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Received: 21 October 2023
Revised: 14 December 2023
Accepted manuscript online: 04 January 2024
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PACS:
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87.19.lm
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(Synchronization in the nervous system)
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87.15.A-
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(Theory, modeling, and computer simulation)
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87.19.ll
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(Models of single neurons and networks)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11605014). |
Corresponding Authors:
Long Jiang, Qi-Ming Pei
E-mail: jianglong@yangtzeu.edu.cn;qmpei@yangtzeu.edu.cn
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Cite this article:
Charles Omotomide Apata, Yi-Rui Tang(唐浥瑞), Yi-Fan Zhou(周祎凡), Long Jiang(蒋龙), and Qi-Ming Pei(裴启明) Synchronization and firing mode transition of two neurons in a bilateral auditory system driven by a high-low frequency signal 2024 Chin. Phys. B 33 058704
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