Learning with a Network of Competing Synapses

Ajaz Ahmad Bhat, Gaurang Mahajan and Anita Mehta

PLOS ONE, 2011, vol. 6, issue 9, 1-9

Abstract: Competition between synapses arises in some forms of correlation-based plasticity. Here we propose a game theory-inspired model of synaptic interactions whose dynamics is driven by competition between synapses in their weak and strong states, which are characterized by different timescales. The learning of inputs and memory are meaningfully definable in an effective description of networked synaptic populations. We study, numerically and analytically, the dynamic responses of the effective system to various signal types, particularly with reference to an existing empirical motor adaptation model. The dependence of the system-level behavior on the synaptic parameters, and the signal strength, is brought out in a clear manner, thus illuminating issues such as those of optimal performance, and the functional role of multiple timescales.

Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0025048

DOI: 10.1371/journal.pone.0025048

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