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

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 07 Jun 2016Embargo end date: 01 Jan 2016 Spain English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 116 (issn: 0031-9007, eissn: 1079-7114,

Copyright policy )Funded by:EC | COSMOS

Authors: Montbrió, Ernest, 1974-; Pazó, Diego;

doi: 10.1103/physrevlett.116.238101 , 10.48550/arxiv.1605.05644

pmid: 27341262

arXiv: 1605.05644

handle: 10230/27622 , 10261/140500

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

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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.

5 pages

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Spain

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Keywords

Neurons, Models, Neurological, FOS: Physical sciences, Neurones, Nonlinear Sciences - Chaotic Dynamics, Nonlinear Dynamics, Quantitative Biology - Neurons and Cognition, FOS: Biological sciences, Cognició, Thermodynamics, Neurons and Cognition (q-bio.NC), Chaotic Dynamics (nlin.CD)

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