Average Synchronization and Temporal Order in a Noisy Neuronal Network with Coupling Delay

WANG Qing-Yun; DUAN Zhi-Sheng; LU Qi-Shao

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Average Synchronization and Temporal Order in a Noisy Neuronal Network with Coupling Delay

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Average synchronization and temporal order characterized by the rate of firing are studied in a spatially extended network system with the coupling time delay, which is locally modelled by a two-dimensional Rulkov map neuron.It is shown that there exists an optimal noise level, where average synchronization and temporal order are maximum irrespective of the coupling time delay. Furthermore, it is found that temporal order is weakened when the coupling time delay appears. However, the coupling time delay has a twofold effect on average synchronization,one associated with its increase, the other with its decrease. This clearly manifests that random perturbations and time delay play a complementary role in synchronization and temporal order.

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《中国物理快报：英文版》 |2007年第10期|2759-2761|共3页
作者
WANG Qing-Yun; DUAN Zhi-Sheng; LU Qi-Shao;
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State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering,College of Engineering, Peking University, Beijing 100871;

Department of Statistics and Mathematics, Inner Mongolia Finance and Economics College, Huhhot 010051;

State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering,College of Engineering, Peking University, Beijing 100871;

School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083;

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中图分类物理学;
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Average Synchronization and Temporal Order in a Noisy Neuronal Network with Coupling Delay

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