Extended detrended fluctuation analysis of sound-induced changes in brain electrical activity

A.N. Pavlov, A.I. Dubrovsky, A.A. Koronovskii , O.N. Pavlova, O.V. Semyachkina-Glushkovskaya and J. Kurths

Chaos, Solitons & Fractals, 2020, vol. 139, issue C

Abstract: We discuss the problem of revealing structural changes in rat electroencephalograms (EEG) caused by activation of the brain lymphatic drainage function due to a sound-induced stress. For this purpose, we apply the detrended fluctuation analysis (DFA) with its extended version to characterize long-range power-law correlations associated with the slow-wave dynamics of the electrical activity of the brain. The proposed extended DFA (EDFA) provided a stronger separation of groups of rats with different permeability of the blood-brain barrier (BBB) compared to the conventional DFA technique. We argue that such abilities of this tool can be useful in other diagnostic-related studies.

Keywords: Detrended fluctuation analysis; Long-range correlations; EEG; Signal processing; Blood-brain barrier (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:139:y:2020:i:c:s096007792030388x

DOI: 10.1016/j.chaos.2020.109989

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