期刊
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 368, 期 1933, 页码 5619-5632出版社
ROYAL SOC
DOI: 10.1098/rsta.2010.0264
关键词
diversity; excitability; neurons; synchronization
资金
- National Science Foundation [DMR-0702890]
- G. Harold and Leila Y. Mathers Foundation
- European Commission [043309]
- EU [LSHB-CT-2004-005137]
- MEC (Spain)
- Feder [FIS2007-60327]
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.
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