Multifractal characterization of cerebrovascular dynamics in newborn rats

A.N. Pavlov, O.V. Semyachkina-Glushkovskaya, V.V. Lychagov, A.S. Abdurashitov, O.N. Pavlova, O.A. Sindeeva and S.S. Sindeev

Chaos, Solitons & Fractals, 2015, vol. 77, issue C, 6-10

Abstract: In this paper we study the cerebrovascular dynamics in newborn rats using the wavelet-based multifractal formalism in order to reveal effective markers of early pathological changes in the macro- and microcirculation at the hidden stage of the development of intracranial hemorrhage (ICH). We demonstrate that the singularity spectrum estimated with the wavelet-transform modulus maxima (WTMM) technique allows clear characterization of a reduced complexity of blood flow dynamics and changes of the correlation properties at the transformation of normal physiological processes into pathological dynamics that are essentially different at the level of large and small blood vessels.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:77:y:2015:i:c:p:6-10

DOI: 10.1016/j.chaos.2015.04.011

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