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Chaos out of internal noise in the collective dynamics of diffusively coupled cells

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  • M. Gosak
  • M. Marhl
  • M. Perc

Abstract

We study the transition from stochasticity to determinism in calcium oscillations via diffusive coupling of individual cells that are modeled by stochastic simulations of the governing reaction-diffusion equations. As expected, the stochastic solutions gradually converge to their deterministic limit as the number of coupled cells increases. Remarkably however, although the strict deterministic limit dictates a fully periodic behavior, the stochastic solution remains chaotic even for large numbers of coupled cells if the system is set close to an inherently chaotic regime. On the other hand, the lack of proximity to a chaotic regime leads to an expected convergence to the fully periodic behavior, thus suggesting that near-chaotic states are presently a crucial predisposition for the observation of noise-induced chaos. Our results suggest that chaos may exist in real biological systems due to intrinsic fluctuations and uncertainties characterizing their functioning on small scales. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Suggested Citation

  • M. Gosak & M. Marhl & M. Perc, 2008. "Chaos out of internal noise in the collective dynamics of diffusively coupled cells," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 62(2), pages 171-177, March.
    • Handle: RePEc:spr:eurphb:v:62:y:2008:i:2:p:171-177
    DOI: 10.1140/epjb/e2008-00132-y
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    Cited by:

    1. Li, Hongying & Yao, Chengli, 2017. "The influence of internal noise on the detection of hormonal signal with the existence of external noise in a cell system," Applied Mathematics and Computation, Elsevier, vol. 314(C), pages 1-6.

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