Synaptically generated wave propagation in excitable neural media

被引：40
|
作者：
Bressloff, PC [1 ]
机构：
[1] Loughborough Univ Technol, Dept Math Sci, Nonlinear & Complex Syst Grp, Loughborough LE11 3TU, Leics, England
来源：
PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 14期
关键词：
D O I：
10.1103/PhysRevLett.82.2979
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the propagation of solitary waves in a one-dimensional network of excitable integrate-and-fire neurons with axo-dendritic synaptic coupling. We show that for small axonal delays there exists a stable solitary wave, and derive a power scaling law for the velocity as a function of the coupling. In the case of large axonal delays and fast synapses we establish that the solitary wave can destabilize via a Hopf bifurcation in the firing times. [S0031-9007(99)08852-3].
引用
收藏
页码：2979 / 2982
页数：4
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