Journal
PHYSICS LETTERS A
Volume 310, Issue 5-6, Pages 400-406Publisher
ELSEVIER
DOI: 10.1016/S0375-9601(03)00387-6
Keywords
Hodgkin-Huxley model; conductance noise; synchronization
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It is well known that a strong coupling can synchronize a population of nonlinear oscillators. This fact has deep implications for the current understanding of information processing by the brain. The focus of this Letter is on the role of conductance noise on a system of two coupled Hodgkin-Huxley neurons in the so-called excitable region, where both neurons are at rest in the absence of noise. It is shown that, in this region, conductance noise allows the neurons to achieve both frequency and phase synchronization. This suggests that internal noise could play a role in the emergence of synchronous neural activity in populations of weakly coupled neurons. (C) 2003 Elsevier Science B.V. All rights reserved.
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