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Proceedings Paper

Multimode dynamics of arterial blood pressure in healthy rats and its multifractal characterization
Author(s): Alexey N. Pavlov; Dmitry V. Dumsky; Amir R. Ziganshin; Oksana A. Klimova; Vadim S. Anishchenko
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Paper Abstract

We discuss an approach to study multimode dynamics of biological systems based on the quantitative description of complexity of the separate rhythmic components. In experiments on healthy rats we show differences of the stress-induced reactions in the structure of low-frequency and high-frequency rhythms. Further, we investigate the scaling features of blood pressure dynamics within the framework of multifractal concept. We discuss how stress affects the phenomenon of multifractality in the cardiovascular dynamics. Typical reactions to stress are considered, and distinctions in the stress-induced effects for male and female rats are reported.

Paper Details

Date Published: 28 May 2004
PDF: 8 pages
Proc. SPIE 5330, Complex Dynamics, Fluctuations, Chaos, and Fractals in Biomedical Photonics, (28 May 2004); doi: 10.1117/12.531651
Show Author Affiliations
Alexey N. Pavlov, Saratov State Univ. (Russia)
Dmitry V. Dumsky, Saratov State Univ. (Russia)
Amir R. Ziganshin, Saratov State Univ. (Russia)
Oksana A. Klimova, Saratov State Univ. (Russia)
Vadim S. Anishchenko, Saratov State Univ. (Russia)

Published in SPIE Proceedings Vol. 5330:
Complex Dynamics, Fluctuations, Chaos, and Fractals in Biomedical Photonics
Valery V. Tuchin, Editor(s)

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