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Title

Anticipated synchronization in a biologically plausible model of neuronal motifs

AuthorsMatías, Manuel A. ; Carelli, Pedro V.; Mirasso, Claudio R. ; Copelli, Mauro
Issue Date2011
PublisherAmerican Physical Society
CitationPhysical Review E 84: 021922 (2011)
AbstractTwo identical autonomous dynamical systems coupled in a master-slave configuration can exhibit anticipated synchronization (AS) if the slave also receives a delayed negative self-feedback. Recently, AS was shown to occur in systems of simplified neuron models, requiring the coupling of the neuronal membrane potential with its delayed value. However, this coupling has no obvious biological correlate. Here we propose a canonical neuronal microcircuit with standard chemical synapses, where the delayed inhibition is provided by an interneuron. In this biologically plausible scenario, a smooth transition from delayed synchronization (DS) to AS typically occurs when the inhibitory synaptic conductance is increased. The phenomenon is shown to be robust when model parameters are varied within a physiological range. Since the DS-AS transition amounts to an inversion in the timing of the pre- and post-synaptic spikes, our results could have a bearing on spike-timing-dependent plasticity models
DescriptionPACS number(s): 87.18.Sn, 87.19.ll, 87.19.lm
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevE.84.021922
URIhttp://hdl.handle.net/10261/45896
DOI10.1103/PhysRevE.84.02192
ISSN1539-3755
E-ISSN1550-2376
Appears in Collections:(IFISC) Artículos
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