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Journal Article

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


Pavlov,  A.N.
External Organizations;

Dubrovsky,  A.I.
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Koronovskii Jr,  A.A.
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Pavlova,  O.N.
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Semyachkina-Glushkovskaya,  O.V.
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Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

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Pavlov, A., Dubrovsky, A., Koronovskii Jr, A., Pavlova, O., Semyachkina-Glushkovskaya, O., Kurths, J. (2020): Extended detrended fluctuation analysis of sound-induced changes in brain electrical activity. - Chaos, Solitons and Fractals, 139, 109989.

Cite as: https://publications.pik-potsdam.de/pubman/item/item_24989
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.