Time-Delayed Feedback In Neurosystems

February 16, 2009 at 2:00 pm Leave a comment


The influence of time delay in systems of two coupled excitable neurons is studied in the framework of the FitzHugh-Nagumo model.



Time delay can occur in the coupling between neurons or in a self-feedback loop. The stochastic synchronization of instantaneously coupled neurons under the influence of white noise can be deliberately controlled by local time-delayed feedback. By appropriate choice of the delay time synchronization can be either enhanced or suppressed. In delay-coupled neurons, antiphase oscillations can be induced for sufficiently large delay and coupling strength.



The additional application of time-delayed self-feedback leads to complex scenarios of synchronized in-phase or antiphase oscillations, bursting patterns, or amplitude death.



Philosophical Transactions A




Each issue of Philosophical Transactions A is devoted to a specific area of the mathematical, physical and engineering sciences. This area will define a research frontier that is advancing rapidly, often bridging traditional disciplines.



Philosophical Transactions A is essential reading for mathematicians, physicists, engineers and other physical scientists. Find out more about the journal.



Editor: Sir Michael Pepper, FRS

Impact Factor 2007: 1.520

Citation: Phil. Trans. R. Soc. A

Frequency: Every two weeks



The Royal Society

[Via http://www.medicalnewstoday.com]

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