Physica Medica, 18(2), 63–67p. (2002)
Randomness and determinism in human heart-beat dynamics: Recurrence plot analysis
P. Babinec, L. Zemanová , M. BabincováA new method of recurrence plots was used for the analysis of the heart-beat intervals of a young and old subjects. As we have found the simple deterministic chaos is not likely explanation for the time variability of inter-beat intervals, which must be considered as a mixture of deterministic and stochastic chaos. We have demonstrated that the data obtained from old subjects have a more deterministic origin and the data obtained from young subjects are more random and complex. The complex dynamics of the healthy heart-beat arise from numerous coupled control systems and feedback loops that regulate the cardiac cycle on different time scales. Aging has a profound impact on many of the interacting neural and endocrine mechanisms that regulate heart rate, which may explain why the heart-rate time series looses much of its complex, irregular behavior.
« back
© 2000-2025 SOME RIGHTS RESERVED
The material of this web site is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 2.0 Germany License.
Please respect the copyrights! The content of this web site is protected by a Creative Commons License. You may use the text or figures, but you have to cite this source (www.recurrence-plot.tk) as well as N. Marwan, M. C. Romano, M. Thiel, J. Kurths: Recurrence Plots for the Analysis of Complex Systems, Physics Reports, 438(5-6), 237-329, 2007.
Please note: The abstracts of the bibliography database may underly other copyrights.
| @ | MEMBER OF PROJECT HONEY POT Spam Harvester Protection Network provided by Unspam |
