DYNAMICS OF SPIRAL WAVE IN THE COUPLED HODGKIN-HUXLEY NEURONS

被引：7
|
作者：
Yu, Guang [1 ]
Ma, Jun [1 ,2 ]
Jia, Ya [1 ]
Tang, Jun [3 ]
机构：
[1] Huazhong Normal Univ, Dept Phys, Wuhan 430079, Peoples R China
[2] Lanzhou Univ Technol, Dept Phys, Lanzhou 730050, Peoples R China
[3] China Univ Min & Technol, Coll Sci, Xuzhou 221008, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2010年 / 24卷 / 23期
基金：
中国国家自然科学基金;
关键词：
Hodgkin-Huxley model; spiralwave; channel noise; SPATIOTEMPORAL CHAOS; ELECTRIC-FIELD; MODEL; DRIFT;
D O I：
10.1142/S021797921005658X
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, the dynamics of the coupled Hodgkin-Huxley neurons (HHn) is investigated. At first, appropriate initial values and reasonable parameters are used to induce spiral wave in the coupled HHn. The temperature and channel noise are also considered to induce the birth and transition of spiral wave, respectively. It is found that the spiral wave can be generated in the absence of channel noise, and the seed of spiral wave cannot grow up when the intensity of channel noise exceeds the threshold (the noise is distributed on all the channels and s describes the membrane patch, the threshold is suggested with s = 3.2). The spiral wave disappears and all the coupled HHn become homogeneous when the temperature exceeds the threshold about T = 22 degrees C.
引用
收藏
页码：4555 / 4562
页数：8
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