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From quasiperiodic partial synchronization to collective chaos in populations of inhibitory neurons with delay

AuthorsPazó, Diego CSIC ORCID ; Montbrió, Ernest
Issue Date2016
PublisherAmerican Physical Society
CitationPhysical Review Letters 116(23): 238101 (2016)
AbstractCollective 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.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevLett.116.238101
Identifiersdoi: 10.1103/PhysRevLett.116.238101
e-issn: 1079-7114
issn: 0031-9007
Appears in Collections:(IFCA) Artículos
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