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dc.contributor.authorTorres Agudo, Joaquín J.
dc.contributor.authorElices, Irene
dc.contributor.authorMarro Borau, Joaquín
dc.identifier.citationTorres Agudo, J.J.; Elices, I.; Marro Borau, J. Efficient Transmission of Subthreshold Signals in Complex Networks of Spiking Neurons. Plos One, 10(3): e0121156 (2015). []es_ES
dc.description.abstractWe investigate the efficient transmission and processing of weak, subthreshold signals in a realistic neural medium in the presence of different levels of the underlying noise. Assuming Hebbian weights for maximal synaptic conductances—that naturally balances the network with excitatory and inhibitory synapses—and considering short-term synaptic plasticity affecting such conductances, we found different dynamic phases in the system. This includes a memory phase where population of neurons remain synchronized, an oscillatory phase where transitions between different synchronized populations of neurons appears and an asynchronous or noisy phase. When a weak stimulus input is applied to each neuron, increasing the level of noise in the medium we found an efficient transmission of such stimuli around the transition and critical points separating different phases for well-defined different levels of stochasticity in the system. We proved that this intriguing phenomenon is quite robust, as it occurs in different situations including several types of synaptic plasticity, different type and number of stored patterns and diverse network topologies, namely, diluted networks and complex topologies such as scale-free and small-world networks. We conclude that the robustness of the phenomenon in different realistic scenarios, including spiking neurons, short-term synaptic plasticity and complex networks topologies, make very likely that it could also occur in actual neural systems as recent psycho-physical experiments suggest.es_ES
dc.description.sponsorshipThe authors acknowledge support from the Spanish Ministry of economy and competitiveness under the project FIS2013-43201-P.es_ES
dc.publisherPublic Library of Science (PLOS)es_ES
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 3.0 Licensees_ES
dc.subjectNeurons es_ES
dc.subjectNeural networkses_ES
dc.subjectMemory es_ES
dc.subjectScale-free networkses_ES
dc.subjectSignal processing es_ES
dc.subjectSignaling networkses_ES
dc.titleEfficient Transmission of Subthreshold Signals in Complex Networks of Spiking Neuronses_ES

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