Robustness and Variability of Pathways in the Spontaneous Synchronous Bursting of Clusterized Cortical Neuronal Networks In vitro(Cross-disciplinary physics and related areas of science and technology)

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概要

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• We experimentally demonstrate the observation of several pathways with a few tens of ms inter-cluster delay but negligible intra-cluster delay, in the spontaneous synchronous burstings (SSBs) of clusterized cortical neuronal networks in vitro through epifluorescence microscopy of Ca^<2+> indicator. Nearby clusters sharing the similar relative firing timings in different SSB events form a group. Switching among different SSB pathways initiated by different master groups is found. Under chemical tuning such as decreasing the mutual coupling by increasing [Mg^<2+>] or lowering the effective firing threshold by increasing [K^+], the firing sequence of each pathway remains robust, but the occurrence probability and the temporal persistence of each pathway, and the inter-cluster delay times in the firing sequences can be varied.

• 社団法人日本物理学会の論文
• 2008-08-15

著者

• Chang Mei-chu

  Department Of Physics And Center For Complex Systems National Central University

• Tsai Chen-yu

  Department Of Physics And Center For Complex Systems National Central University

• I Lin

  Department of Physics and Center for Complex Systems, National Central University

• TSAI Chen-Yu

  Department of Civil Engineering National Taiwan University

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• Robustness and Variability of Pathways in the Spontaneous Synchronous Bursting of Clusterized Cortical Neuronal Networks In vitro(Cross-disciplinary physics and related areas of science and technology)
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