A new viewpoint and model of neural signal generation and transmission: Signal transmission on myelinated neuron

doi:10.1088/1674-1056/abaee9

中国物理B ›› 2020, Vol. 29 ›› Issue (10): 108701-.doi: 10.1088/1674-1056/abaee9

Zuoxian Xiang(向左鲜)¹^,², Chuanxiang Tang(唐传祥)¹, Lixin Yan(颜立新)¹, Chao Chang(常超)²^,†(), Guozhi Liu(刘国治)¹^,‡()

收稿日期:2020-01-09 修回日期:2020-07-28 接受日期:2020-08-13 出版日期:2020-10-05 发布日期:2020-10-05
通讯作者: Chao Chang(常超), Guozhi Liu(刘国治)

A new viewpoint and model of neural signal generation and transmission: Signal transmission on myelinated neuron

Zuoxian Xiang(向左鲜)^1,2, Chuanxiang Tang(唐传祥)¹, Lixin Yan(颜立新)¹, Chao Chang(常超)^2,†, and Guozhi Liu(刘国治)^1,‡

¹ Department of Engineering Physics, Tsinghua University, Beijing 100084, China
² Innovation Laboratory of Terahertz Biophysics, National Innovation Institute of Defense Technology, Beijing 100071, China

Received:2020-01-09 Revised:2020-07-28 Accepted:2020-08-13 Online:2020-10-05 Published:2020-10-05
Contact: ^†Corresponding author. E-mail: changc@xjtu.edu.cn ^‡Corresponding author. E-mail: liuguozhi60@163.com
About author:
†Corresponding author. E-mail: changc@xjtu.edu.cn
‡Corresponding author. E-mail: liuguozhi60@163.com
* Project supported in part by the National Defense Technology Innovation Special Zone and the National Natural Science Foundation of China (Grant Nos. 51677145 and 11622542).

摘要/Abstract

Abstract:

Based on our previous work, we study the problem of neural signal transmission of myelinated neurons. We found that the transmembrane ion current at Ranvier’s node acts as an energy supplement. In addition, the length of the myelin sheath has an upper limit of l_T. Above this upper limit, the neural signal will not be effectively transmitted. In the range of normal physiological parameters, l_T is on the order of mm. Finally, the effect of temperature on the transmission of nerve signals is investigated. temperatures that are too high and too low are not conducive to the conduction of nerve signals.

Key words: THz, myelinated neuron, signal transmission

中图分类号: (Biological information)

87.10.Vg

87.10.Ca (Analytical theories) 87.85.Ng (Biological signal processing)

Zuoxian Xiang(向左鲜), Chuanxiang Tang(唐传祥), Lixin Yan(颜立新), Chao Chang(常超), Guozhi Liu(刘国治). [J]. 中国物理B, 2020, 29(10): 108701-.

Zuoxian Xiang(向左鲜), Chuanxiang Tang(唐传祥), Lixin Yan(颜立新), Chao Chang(常超)†, and Guozhi Liu(刘国治)‡. A new viewpoint and model of neural signal generation and transmission: Signal transmission on myelinated neuron[J]. Chin. Phys. B, 2020, 29(10): 108701-.

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参考文献 27

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Temperature/°C	5	10	15	20	25	30	35	40
l_T/mm (d = 5 μm)	17.8	8.3	5.7	3.7	2.5	1.6	1.0	0.7
l_T/mm (d = 10 μm)	28.4	19.5	13.1	10.5	6.9	3.7	2.3	1.4

A new viewpoint and model of neural signal generation and transmission: Signal transmission on myelinated neuron

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