Burst Synchronization without Frequency Locking in a Completely Solvable Neural Network Model

Part of Advances in Neural Information Processing Systems 4 (NIPS 1991)

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Heinz Schuster, Christof Koch


The dynamic behavior of a network model consisting of all-to-all excitatory coupled binary neurons with global inhibition is studied analytically and numerically. We prove that for random input signals, the output of the network consists of synchronized bursts with apparently random intermis(cid:173) sions of noisy activity. Our results suggest that synchronous bursts can be generated by a simple neuronal architecture which amplifies incoming coin(cid:173) cident signals. This synchronization process is accompanied by dampened oscillations which, by themselves, however, do not play any constructive role in this and can therefore be considered to be an epiphenomenon.