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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)
Publisher: American Physical Society
Publication date: 01/06/2016
No. of pages: 5
Publication type: Article
DOI: 10.1103/PhysRevLett.116.238101
ISSN: 0031-9007,1079-7114
Spanish project: FIS2014-59462-P
Publication Url: https://doi.org/10.1103/PhysRevLett.116.238101
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DIEGO SANTIAGO PAZO BUENO
MONTBRIÓ, ERNEST
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