Ordered bursting synchronization and complex wave propagation in a ring neuronal network |
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| Authors: | Qing Yun Wang Qi Shao Lu Guan Rong Chen |
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| Institution: | 1. School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083, China;2. Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, China;3. Inner Mongolia Finance and Economics College, Huhhot 010051, China |
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| Abstract: | Ordered bursting synchronization and complex propagation are investigated for a ring neuronal network in which each neuron exhibits chaotic bursting behaviour. The neurons become more and more synchronous in chaotic bursting as the synaptic strength is increased. It is shown that excitatory chemical synapses can effectively tame the chaos, and ordered bursting synchronization can be observed as the synaptic strength is further increased. However, synchronization among neurons is weakened as the number of neurons is increased. More importantly, it is shown that ordered bursting synchronization can be turned into spiking synchronization at certain noise intensity. Complex spatio-temporal patterns propagating towards both sides of pacemaker are found in this network before the emergence of spiking synchronization. |
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| Keywords: | Neural networks Bursting synchronization Complex propagation |
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