Zero-lag Long Range Synchronization of Neurons Is Enhanced by Dynamical Relaying

How can two distant neural assemblies synchronize their fir-
ings at zero-lag even in the presence of non-negligible delays in the
transfer of information between them? Here we propose a simple net-
work module that naturally accounts for zero-lag neural synchronization
for a wide range of temporal delays. In particular, we demonstrate that
isochronous (without lag) millisecond precise synchronization between
two distant neurons or neural populations can be achieved by relaying
their dynamics via a third mediating single neuron or population.

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