Synchronized oscillation in a modular neural network composed of columns |
| |
Authors: | LI Su QI Xianglin HU Hong WANG Yunjiu |
| |
Affiliation: | Laboratory for Visual Information Processing, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China. |
| |
Abstract: | The columnar organization is a ubiquitous feature in the cerebral cortex. In this study, a neural network model simulating the cortical columns has been constructed. When fed with random pulse input with constant rate, a column generates synchronized oscillations, with a frequency varying from 3 to 43 Hz depending on parameter values. The behavior of the model under periodic stimulation was studied and the input-output relationship was non-linear. When identical columns were sparsely interconnected, the column oscillator could be locked in synchrony. In a network composed of heterogeneous columns, the columns were organized by intrinsic properties and formed partially synchronized assemblies. |
| |
Keywords: | cortical column synchronized oscillation Rose-Hindmarsh model. |
本文献已被 CNKI 万方数据 等数据库收录! |
| 点击此处可从《中国科学:生命科学英文版》浏览原始摘要信息 |
|
点击此处可从《中国科学:生命科学英文版》下载全文 |
|