Emergence of coupling-induced oscillations and broken symmetries in heterogeneously driven nonlinear reaction networks
| Autor: | Varsha Sreenivasan, Shakti N. Menon, Sitabhra Sinha |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
0301 basic medicine
animal structures Science Chaotic FOS: Physical sciences Article 03 medical and health sciences 0302 clinical medicine Attractor Simulation Physics Multidisciplinary Coupling strength Quantitative Biology::Neurons and Cognition Disordered Systems and Neural Networks (cond-mat.dis-nn) Condensed Matter - Disordered Systems and Neural Networks Nonlinear Sciences - Adaptation and Self-Organizing Systems Nonlinear system Coupling (physics) 030104 developmental biology Chemical physics Quantitative Biology - Neurons and Cognition FOS: Biological sciences Induced oscillations Homogeneous space Medicine Neurons and Cognition (q-bio.NC) Adaptation and Self-Organizing Systems (nlin.AO) 030217 neurology & neurosurgery |
| Zdroj: | Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017) Scientific Reports |
| DOI: | 10.48550/arxiv.1603.06734 |
| Popis: | Many natural systems including the brain comprise coupled non-uniformly stimulated elements. In this paper we show that heterogeneously driven networks of excitatory-inhibitory units exhibit striking collective phenomena, including spontaneous oscillations upon coupling. On varying the coupling strength a novel transition is seen wherein the pattern symmetries of stimulated and unstimulated groups undergo mutual exchange. The system exhibits coexisting chaotic and non-chaotic attractors - an intriguing result in view of earlier reports of varying degrees of chaoticity in the brain. Comment: 5 pages, 3 figures + 4 pages supplementary information |
| Databáze: | OpenAIRE |
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