Multimode dynamics of arterial blood pressure in healthy rats and its multifractal characterization

Alexey N. Pavlov; Dmitry V. Dumsky; Amir R. Ziganshin; Oksana A. Klimova; Vadim S. Anishchenko

doi:10.1117/12.531651

28 May 2004 Multimode dynamics of arterial blood pressure in healthy rats and its multifractal characterization

Alexey N. Pavlov, Dmitry V. Dumsky, Amir R. Ziganshin, Oksana A. Klimova, Vadim S. Anishchenko

Proceedings Volume 5330, Complex Dynamics, Fluctuations, Chaos, and Fractals in Biomedical Photonics; (2004) https://doi.org/10.1117/12.531651
Event: Biomedical Optics 2004, 2004, San Jose, CA, United States

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.

Citation Download Citation

Alexey N. Pavlov, Dmitry V. Dumsky, Amir R. Ziganshin, Oksana A. Klimova, and Vadim S. Anishchenko "Multimode dynamics of arterial blood pressure in healthy rats and its multifractal characterization", Proc. SPIE 5330, Complex Dynamics, Fluctuations, Chaos, and Fractals in Biomedical Photonics, (28 May 2004); https://doi.org/10.1117/12.531651

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