Quorum Percolation in Living Neural Networks

Abstract

Cooperative effects in neural networks appear because a neuron fires only if a minimal number $m$ of its inputs are excited. The multiple inputs requirement leads to a percolation model termed {\it quorum percolation}. The connectivity undergoes a phase transition as $m$ grows, from a network--spanning cluster at low $m$ to a set of disconnected clusters above a critical $m$. Both numerical simulations and the model reproduce the experimental results well. This allows a robust quantification of biologically relevant quantities such as the average connectivity $\kbar$ and the distribution of connections $p_k$

87.19.L-: Neuroscience 87.19.ll: Models of single neurons and networks 64.60.ah: Percolation http://iopscience.iop.org/0295-5075/89/1/18008 http://www.weizmann.ac.il/complex/tlusty/papers/EuroPhysLett2010.pdf

References in corpus (5)

• Statistical mechanics of complex networks
• Network robustness and fragility: Percolation on random graphs
• Percolation in living neural networks
• The Physics of Living Neural Networks
• Remarks on Bootstrap Percolation in Metric Networks

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