Distributed synchrony

Data implying that neurons can communicate with synchronous volleys are di'cult to reconcile with the bulk of single unit recordings which do not show synchrony yet reveal substantial correlations with animal behavior. Our simulations reconcile these two sets of results by sharing a synchronous signal among groups of neurons in a way that the average signal through any particular neuron exhibits conventional receptive ,eld properties. The simulation models a subset of the connections between the LGN and V1 and shows that synchronous computation at a high ,ring rate can appear at an individual cell as random spikes at a lower rate. c © 2002 Elsevier Science B.V. All rights reserved.

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