Synchronization of hyperexcitable systems with phase-repulsive coupling
- 24 September 2001
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 64 (4) , 041912
- https://doi.org/10.1103/physreve.64.041912
Abstract
We study two-dimensional arrays of FitzHugh-Nagumo elements with nearest-neighbor coupling from the viewpoint of synchronization. The elements are diffusively coupled. By varying the diffusion coefficient from positive to negative values, interesting synchronization patterns are observed. The results of the simulations resemble the intracellular oscillation patterns observed in cultured human epileptic astrocytes. Three measures are proposed to determine the degree of synchronization (or coupling) in both the simulated and the experimental system.Keywords
This publication has 31 references indexed in Scilit:
- ATP: an extracellular signaling molecule between neurons and gliaTrends in Neurosciences, 2000
- Noise-Enhanced Phase Synchronization in Excitable MediaPhysical Review Letters, 1999
- Stochastic resonance: Noise-enhanced phase coherencePhysical Review E, 1998
- Detection ofPhase Locking from Noisy Data: Application to MagnetoencephalographyPhysical Review Letters, 1998
- Coherent emission of a linear array of CO2waveguide lasers with a spatial filterQuantum Electronics, 1996
- Human epileptic astrocytes exhibit increased gap junction couplingGlia, 1995
- Ostwald Ripening in Systems with Competing InteractionsPhysical Review Letters, 1995
- Locking and Arnold tongues in an infinite-dimensional system: The nuclear magnetic resonance laser with delayed feedbackPhysical Review E, 1994
- Clustering behavior of time-delayed nearest-neighbor coupled oscillatorsPhysical Review E, 1994
- Fireflies Flashing in UnisonScience, 1916