Effects of noise on synchronization and spatial patterns in coupled neuronal systems

被引：1

作者：

Wang, Q. Y. ^{[1
,2
]}

Lu, Q. S. ^{[1
]}

Shi, X. ^{[3
]}

Wang, H. X. ^{[4
]}

机构：

[1] Beijing Univ Aeronaut & Astronaut, Beijing 100083, Peoples R China

[2] Inner Mongolia Finance & Econom Coll, Hohhot 010051, Peoples R China

[3] Beijing Univ Posts & Telecommun, Beijing 100876, Peoples R China

[4] Nanjing Univ Sci & Technol, Nanjing 210094, Peoples R China

来源：

IUTAM SYMPOSIUM ON DYNAMICS AND CONTROL OF NONLINEAR SYSTEMS WITH UNCERTAINTY | 2007年 / 2卷

基金：

中国国家自然科学基金;

关键词：

neuronal systems; noise; synchronization; spatial patterns;

D O I：

10.1007/978-1-4020-6332-9_33

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The effects on synchronization and spatiotemporal patterns in coupled neurons are investigated. Firstly, noise-induced and noise-enhanced synchronization can be observed in coupled neuronal systems as the noise level attains suitable values. Secondly, the collective behaviour of a square lattice Hodgkin-Huxley neuronal network model with white noise is studied. It is shown that when the noise level reaches an intermediate value, the Hodgkin-Huxley neurons in this square lattice will exhibit an ordered circular structure. However, as the noise level increases, the ordered circular structure is distorted, and eventually totally destroyed when the noise level is high enough. This manifests the existence of spatial coherence resonance in the network and may be instructive to understand information processing of neural systems in the presence of noise.

引用

页码：323 / +

页数：3

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