Abstract
Spike synchronization remains an important issue in neuroscience, and inhibitory networks are the best candidates to provide such synchrony. Increasing evidence indicates that in many brain area inhibitory interneurons of similar properties make reciprocal connections. We found that a hybrid, as well as model network, consisting of two reciprocally inhibitory spiking neurons may express a peak of synchronization in a narrow range of low spiking frequencies in addition to classically described plateau of synchrony at a wide range of high frequencies. Occurrence of the low frequency peak of synchrony requires a moderate-to-strong inhibitory coupling and relatively fast synapses. This novel possibility of synchronization in a narrow range of network parameters may have an important implication in discrimination and encoding of signals of precise intensity, as well as in altering network ability to process information.
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Meyrand, P., Cattaert, D., Ostaszewski, H. et al. Inhibitory network of spiking neurons may express a sharp peak of synchrony at low frequency band. Biol Cybern 101, 325–338 (2009). https://doi.org/10.1007/s00422-009-0339-0
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DOI: https://doi.org/10.1007/s00422-009-0339-0