Coherence resonance in globally coupled neuronal networks with different neuron numbers
Ning Wei-Lian(宁维莲), Zhang Zheng-Zhen(张争珍), Zeng Shang-You(曾上游)†, Luo Xiao-Shu(罗晓曙), Hu Jin-Lin(胡锦霖), Zeng Shao-Wen(曾绍稳), Qiu Yi(邱怡), and Wu Hui-Si(吴慧思)
College of Electronic Engineering, Guangxi Normal University, Guilin 541004, China
Abstract Because a brain consists of tremendous neuronal networks with different neuron numbers ranging from tens to tens of thousands, we study the coherence resonance due to ion channel noises in globally coupled neuronal networks with different neuron numbers. We confirm that for all neuronal networks with different neuron numbers there exist the array enhanced coherence resonance and the optimal synaptic conductance to cause the maximal spiking coherence. Furthermoremore, the enhancement effects of coupling on spiking coherence and on optimal synaptic conductance are almost the same, regardless of the neuron numbers in the neuronal networks. Therefore for all the neuronal networks with different neuron numbers in the brain, relative weak synaptic conductance (0.1 mS/cm2) is sufficient to induce the maximal spiking coherence and the best sub-threshold signal encoding.
Received: 30 June 2011
Revised: 01 September 2011
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11065003), the Natural Science Foundation of Guangxi Zhuang Autonoomous Region, China (Grant No. 2011GXNSFA018129), and the Research Funding of Education Department of Guangxi Zhuang Autonoomous Region of China (Grant No. 201012MS026).
Ning Wei-Lian(宁维莲), Zhang Zheng-Zhen(张争珍), Zeng Shang-You(曾上游), Luo Xiao-Shu(罗晓曙), Hu Jin-Lin(胡锦霖), Zeng Shao-Wen(曾绍稳), Qiu Yi(邱怡), and Wu Hui-Si(吴慧思) Coherence resonance in globally coupled neuronal networks with different neuron numbers 2012 Chin. Phys. B 21 028702
Altmetric calculates a score based on the online attention an article receives. Each coloured thread in the circle represents a different type of online attention. The number in the centre is the Altmetric score. Social media and mainstream news media are the main sources that calculate the score. Reference managers such as Mendeley are also tracked but do not contribute to the score. Older articles often score higher because they have had more time to get noticed. To account for this, Altmetric has included the context data for other articles of a similar age.
