Spectral analysis of sleep EEG in patients with chronic disorders of consciousness by multitaper discrete Fourier transform
- Authors: Kanarskii M.M.1, Nekrasova I.Y.1,2, Borisov I.V.1, Yankevich D.S.1, Kolesov D.L.1, Lukyanets O.B.1, Gorshkov K.M.1, Shpichko N.P.1, Krylova T.N.1, Kovaleva N.Y.1, Lutkin O.Y.1, Evstifeev V.V.1
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Affiliations:
- Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
- Moscow Aviation Institute (National Research University)
- Issue: Vol 2, No 4 (2020)
- Pages: 337-349
- Section: New methods and technologies, discussions
- URL: https://journals.rcsi.science/2658-6843/article/view/52648
- DOI: https://doi.org/10.36425/rehab52648
- ID: 52648
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Abstract
Background. In recent years, EEG spectral analysis has become increasingly popular due to the development of computer technologies. Among the methods of spectral analysis, various variants of the window Fourier transform are most often used, taking into account the non-stationary nature of the EEG signal.
Aims: study of the spectral composition of sleep EEG in patients with chronic disorders of consciousness by the method of discrete Fourier transform with windows in the form of spheroidal sequences.
Methods. In this article, the spectral composition of the sleep EEG of 32 patients with impaired consciousness was studied using a discrete Fourier transform with windows in the form of spheroidal sequences. For spectral analysis of EEG sleep, we used polysomnography data obtained overnight. To construct hypnospectrograms, visualize data and research results, we used software written in the Python programming language using the NumPy, scipy, matplotlib, mne, yasa libraries.
Results. The correlations between characteristic changes in the spectral composition of sleep EEG and the level of consciousness and the etiology of the disease were detected.
Conclusions. Consolidation of sleep and normalization of other circadian rhythms is an important component of both the somatic state of patients in intensive care and, possibly, will become a therapeutic target for the restoration of cognition in patients with chronic impairment of consciousness.
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##article.viewOnOriginalSite##About the authors
Mikhail M. Kanarskii
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Author for correspondence.
Email: kanarmm@yandex.ru
ORCID iD: 0000-0002-7635-1048
SPIN-code: 1776-1160
Russian Federation, 777, Building 1, Lytkino, Moscow region
Iuliia Y. Nekrasova
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology; Moscow Aviation Institute (National Research University)
Email: nekrasova84@yandex.ru
ORCID iD: 0000-0002-4435-8501
SPIN-code: 8947-4230
Ph.D.
Russian Federation, 25-2, Petrovka street, Moscow, 107031; 4, Volokolamskoe shosse, Moscow, 125993Ilya V. Borisov
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: realzel@gmail.com
ORCID iD: 0000-0002-5707-118X
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Dmitry S. Yankevich
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: yanson_d@mail.ru
ORCID iD: 0000-0001-5143-7366
SPIN-code: 6506-8058
Ph.D
Russian Federation, 25-2, Petrovka street, Moscow, 107031Dmitry L. Kolesov
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: kolesov@fnkcrr.ru
ORCID iD: 0000-0002-8450-5211
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Oleg B. Lukyanets
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: lucyanec@fnkcrr.ru
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Kirill M. Gorshkov
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: kolesov@fnkcrr.ru
ORCID iD: 0000-0002-5443-2330
SPIN-code: 5991-9705
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Nadezhda P. Shpichko
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: shpicko@fnkcrr.ru
ORCID iD: 0000-0003-3289-6107
SPIN-code: 5092-0536
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Tatyana N. Krylova
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: Krylova@fnkcrr.ru
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Nadezhda Y. Kovaleva
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: kovalevanu@fnkcrr.ru
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Oleg Y. Lutkin
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: lutkin@fnkcrr.ru
Russian Federation, 25-2, Petrovka street, Moscow, 107031
Vitaly V. Evstifeev
Federal Scientific and Clinical Center of Intensive Care Medicine and Rehabilitology
Email: evstifeev@fnkcrr.ru
Russian Federation, 25-2, Petrovka street, Moscow, 107031
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