Noise-induced memory in extended excitable systems

被引：0
|
作者：
Chialvo, Dante R. [1 ]
Cecchi, Guillermo A. [1 ]
Magnasco, Marcelo O. [1 ]
机构：
[1] Center for Studies in Physics and Biology, Rockefeller University, 1230 York Avenue, New York,NY,10021, United States
来源：
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics | 2000年 / 61卷 / 05期
关键词：
Condensed matter physics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We describe a form of memory exhibited by extended excitable systems driven by stochastic fluctuations. Under such conditions, the system self-organizes into a state characterized by power-law correlations, thus retaining long-term memory of previous states. The exponents are robust and model independent. We discuss implications of these results for the functioning of cortical neurons as well as for networks of neurons. ©2000 The American Physical Society.
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页码：5654 / 5657
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