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Title: Impact of delays on the synchronization transitions of modular neuronal networks with hybrid synapses
Authors: Liu, C
Wang, J
Yu, H
Deng, B
Wei, X
Tsang, K 
Chan, W 
Issue Date: 2013
Source: Chaos, 2013, v. 23, no. 3, 33121, p. 033121-1-033121-13
Abstract: The combined effects of the information transmission delay and the ratio of the electrical and chemical synapses on the synchronization transitions in the hybrid modular neuronal network are investigated in this paper. Numerical results show that the synchronization of neuron activities can be either promoted or destroyed as the information transmission delay increases, irrespective of the probability of electrical synapses in the hybrid-synaptic network. Interestingly, when the number of the electrical synapses exceeds a certain level, further increasing its proportion can obviously enhance the spatiotemporal synchronization transitions. Moreover, the coupling strength has a significant effect on the synchronization transition. The dominated type of the synapse always has a more profound effect on the emergency of the synchronous behaviors. Furthermore, the results of the modular neuronal network structures demonstrate that excessive partitioning of the modular network may result in the dramatic detriment of neuronal synchronization. Considering that information transmission delays are inevitable in intra- and inter-neuronal networks communication, the obtained results may have important implications for the exploration of the synchronization mechanism underlying several neural system diseases such as Parkinson's Disease.
Publisher: American Institute of Physics
Journal: Chaos 
ISSN: 1054-1500
EISSN: 1089-7682
DOI: 10.1063/1.4817607
Rights: © 2013 AIP Publishing LLC.
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in C. Liu et al., Chaos 23, 033121 (2013) and may be found at https://dx.doi.org/10.1063/1.4817607
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