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Dynamics and coherence resonance in a thermosensitive neuron driven by photocurrent
Chinese Physics B ( IF 1.7 ) Pub Date : 2020-08-31 , DOI: 10.1088/1674-1056/ab9dee
Ying Xu 1, 2 , Minghua Liu 1, 3 , Zhigang Zhu 1 , Jun Ma 1, 4
Affiliation  

A feasible neuron model can be effective to estimate the mode transition in neural activities in a complex electromagnetic environment. When neurons are exposed to electromagnetic field, the continuous magnetization and polarization can generate nonlinear effect on the exchange and propagation of ions in the cell, and then the firing patterns can be regulated completely. The conductivity of ion channels can be affected by the temperature and the channel current is adjusted for regulating the excitability of neurons. In this paper, a phototube and a thermistor are used to the functions of neural circuit. The phototube is used to capture external illumination for energy injection, and a continuous signal source is obtained. The thermistor is used to percept the changes of temperature, and the channel current is changed to adjust the excitability of neuron. This functional neural circuit can encode the external heat (temperature) and illumination excitation, and the dynamics of neu...

中文翻译:

光电流驱动的热敏神经元的动力学和相干共振

可行的神经元模型可以有效地估计复杂电磁环境中神经活动中的模式转变。当神经元暴露于电磁场中时,连续的磁化和极化可以对细胞中离子的交换和传播产生非线性影响,然后可以完全调节发射模式。离子通道的电导率可能会受到温度的影响,并且需要调节通道电流以调节神经元的兴奋性。在本文中,光电管和热敏电阻用于神经电路的功能。光电管用于捕获外部照明以进行能量注入,并获得连续的信号源。热敏电阻用于感知温度的变化,改变通道电流以调节神经元的兴奋性。这个功能性神经回路可以编码外部热量(温度)和照明激发以及神经元的动力学。
更新日期:2020-09-02
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