Weighted Clique Analysis Reveals Hierarchical Neuronal Network Dynamics
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A biologically-plausible simulation of a neuronal network is studied as its topology is shaped by its activity by means of an encoding of its connectivity structure as a directed clique complex. Specially defined invariants of this mathematical structure, including the information about synaptic strength, are introduced and show how the initial topology of a network and its evolution during the simulation are tightly inter-related with the dynamical activity.
KeywordsRecurrent neural dynamics Graph topology Directed clique complex Synfire chain Synaptic plasticity
This work was partially supported by the Swiss National Science Foundation grant CR13I1-138032.
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