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Physics of neural synchronisation mediated by stochastic resonance

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In this paper I discuss how synchronisation among neurons is affected by noise. Synchronisation of model neurons, which are basically autonomous relaxation oscillators, is enhanced by the addition of low levels of current noise and destroyed by the addition of higher levels of noise. Such neural stochastic resonance also occurs among neural networks in living systems at least at two functionally important scales, both within local networks and between the larger neuronal groups that are thought to implement complex cognitive and perceptual processes.

Keywords: cognition; neural networks; neural synchronisation; noise; perception; stochastic resonance

Document Type: Research Article


Affiliations: Department of Psychology and the Brain Research Centre, University of British Columbia, Vancouver, BC, Canada

Publication date: September 1, 2009

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