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Title: The constructive role of diversity in the global response of coupled neuron systems
Authors: Pérez, Toni, Mirasso, Claudio R., Toral, Raúl, Gunton, James D.
Keywords: Diversity
Excitability
Neurons
Synchronization
Issue Date: 2010
Publisher: Royal Society (Great Britain)
Abstract: We study the effect that the heterogeneity present among the elements of an ensemble of coupled excitable neurons has on the collective response of the system to an external signal. We consider two different interaction scenarios, one in which the neurons are diffusively coupled and another in which the neurons interact via pulse-like signals. We find that the type of interaction between the neurons has a crucial role in determining the response of the system to the external modulation. We develop a mean-field theory based on an order parameter expansion that quantitatively reproduces the numerical results in the case of diffusive coupling.
Publisher version (URL): http://dx.doi.org/10.1098/rsta.2010.0264
URI: http://hdl.handle.net/10261/44857
ISSN: 1364-503X
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Citation: Philosophical Transactions of the Royal Society A 368: 5619-5632 (2010)
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