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From Quasiperiodic Partial Synchronization to Collective Chaos in Populations of Inhibitory Neurons with Delay

Abstract: Collective chaos is shown to emerge, via a period-doubling cascade, from quasiperiodic partial synchronization in a population of identical inhibitory neurons with delayed global coupling. This system is thoroughly investigated by means of an exact model of the macroscopic dynamics, valid in the thermodynamic limit. The collective chaotic state is reproduced numerically with a finite population, and persists in the presence of weak heterogeneities. Finally, the relationship of the model?s dynamics with fast neuronal oscillations is discussed.

 Fuente: Phys. Rev. Lett. Vol. 116, Num. 23, Art. Num. 238101, (2016)

 Editorial: American Physical Society

 Fecha de publicación: 01/06/2016

 Nº de páginas: 5

 Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.116.238101

 ISSN: 0031-9007,1079-7114

 Proyecto español: FIS2014-59462-P

 Url de la publicación: https://doi.org/10.1103/PhysRevLett.116.238101