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JOURNAL ARTICLE
Memory maintenance in synapses with calcium-based plasticity in the presence of background activity.
David Higgins, Michael Graupner, Nicolas Brunel
Most models of learning and memory assume that memories are maintained in neuronal circuits by persistent synaptic modifications induced by specific patterns of pre- and postsynaptic activity. For this scenario to be viable, synaptic modifications must survive the ubiquitous ongoing activity present in neural circuits in vivo. In this paper, we investigate the time scales of memory maintenance in a calcium-based synaptic plasticity model that has been shown recently to be able to fit different experimental data-sets from hippocampal and neocortical preparations...
October 2014: PLoS Computational Biology
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