Comparison of EMG power during sleep from the submental and frontalis muscles

Daniel J Levendowski,1 Erik K St. Louis,2 Luigi Ferini Strambi,3 Andrea Galbiati,3 Philip Westbrook,1 Chris Berka1 1Advanced Brain Monitoring, Carlsbad, CA,USA; 2Center for Sleep Medicine, Departments of Neurology and Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; 3Depart...

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Autores principales:	Levendowski DJ, St. Louis EK, Ferini Strambi L, Galbiati A, Westbrook P, Berka C
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2018
Materias:	EMG frontalis submentalis sleep stage REM RSWA Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/e9113286f31d47ae9cf4f7c6d12320b1
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spelling	oai:doaj.org-article:e9113286f31d47ae9cf4f7c6d12320b12021-12-02T09:59:47ZComparison of EMG power during sleep from the submental and frontalis muscles1179-1608https://doaj.org/article/e9113286f31d47ae9cf4f7c6d12320b12018-12-01T00:00:00Zhttps://www.dovepress.com/comparison-of-emg-power-during-sleep-from-the-submental-and-frontalis--peer-reviewed-article-NSShttps://doaj.org/toc/1179-1608Daniel J Levendowski,1 Erik K St. Louis,2 Luigi Ferini Strambi,3 Andrea Galbiati,3 Philip Westbrook,1 Chris Berka1 1Advanced Brain Monitoring, Carlsbad, CA,USA; 2Center for Sleep Medicine, Departments of Neurology and Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; 3Department of Clinical Neurosciences, San Raffaele Scientific Institute, Sleep Disorders Center Università Vita-Salute San Raffaele, Milan, Italy Objective: Submentalis electromyography (sEMG) and frontalis electromyography (fEMG) muscle activities have been used to assist in the staging of sleep and detection of disruptions in sleep. This study was designed to assess the concordance between sEMG and fEMG power, by and across sleep stages. Methods: Forty-three records with simultaneous acquisition of differential signals from the submental and frontalis muscles were evaluated. Sleep stages were assigned using the polysomnography signals based on majority agreement of five technicians. The sEMG and fEMG signals were identically filtered and aligned prior to cross-correlation analysis. Results: A strong concordance between sEMG and fEMG power was observed, with 95% of the records exhibiting at least moderate agreement. During rapid eye movement (REM) sleep, sEMG power was significantly less than fEMG power, but exhibited four times greater across-subject variability. fEMG power during wake and non-REM (NREM) sleep was greater than sEMG power, but with 50% less variability. Differences in wake and N1 mean power and between the other sleep stages were more distinct in the fEMG recordings. Relative changes in sEMG and fEMG power across wake, NREM, and REM stages were essentially identical with median by-subject cross correlations of 0.98 and interquartile ranges of 0.97 and 0.99, respectively. Conclusion: The fEMG and sEMG power values were similar during wakefulness and sleep; however, the frontalis exhibits substantially less between-subject variability. This study established face validity for the use of fEMG in the detection of wake and stages of sleep, and for future applications toward assessment of quantitative REM sleep muscle activity in REM sleep behavior disorder. Keywords: EMG, frontalis, submentalis, sleep stage, REM sleep without atoniaLevendowski DJSt. Louis EKFerini Strambi LGalbiati AWestbrook PBerka CDove Medical PressarticleEMGfrontalissubmentalissleep stageREMRSWAPsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol Volume 10, Pp 431-437 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	EMG frontalis submentalis sleep stage REM RSWA Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	EMG frontalis submentalis sleep stage REM RSWA Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Levendowski DJ St. Louis EK Ferini Strambi L Galbiati A Westbrook P Berka C Comparison of EMG power during sleep from the submental and frontalis muscles
description	Daniel J Levendowski,1 Erik K St. Louis,2 Luigi Ferini Strambi,3 Andrea Galbiati,3 Philip Westbrook,1 Chris Berka1 1Advanced Brain Monitoring, Carlsbad, CA,USA; 2Center for Sleep Medicine, Departments of Neurology and Medicine, Mayo Clinic College of Medicine and Science, Rochester, MN, USA; 3Department of Clinical Neurosciences, San Raffaele Scientific Institute, Sleep Disorders Center Università Vita-Salute San Raffaele, Milan, Italy Objective: Submentalis electromyography (sEMG) and frontalis electromyography (fEMG) muscle activities have been used to assist in the staging of sleep and detection of disruptions in sleep. This study was designed to assess the concordance between sEMG and fEMG power, by and across sleep stages. Methods: Forty-three records with simultaneous acquisition of differential signals from the submental and frontalis muscles were evaluated. Sleep stages were assigned using the polysomnography signals based on majority agreement of five technicians. The sEMG and fEMG signals were identically filtered and aligned prior to cross-correlation analysis. Results: A strong concordance between sEMG and fEMG power was observed, with 95% of the records exhibiting at least moderate agreement. During rapid eye movement (REM) sleep, sEMG power was significantly less than fEMG power, but exhibited four times greater across-subject variability. fEMG power during wake and non-REM (NREM) sleep was greater than sEMG power, but with 50% less variability. Differences in wake and N1 mean power and between the other sleep stages were more distinct in the fEMG recordings. Relative changes in sEMG and fEMG power across wake, NREM, and REM stages were essentially identical with median by-subject cross correlations of 0.98 and interquartile ranges of 0.97 and 0.99, respectively. Conclusion: The fEMG and sEMG power values were similar during wakefulness and sleep; however, the frontalis exhibits substantially less between-subject variability. This study established face validity for the use of fEMG in the detection of wake and stages of sleep, and for future applications toward assessment of quantitative REM sleep muscle activity in REM sleep behavior disorder. Keywords: EMG, frontalis, submentalis, sleep stage, REM sleep without atonia
format	article
author	Levendowski DJ St. Louis EK Ferini Strambi L Galbiati A Westbrook P Berka C
author_facet	Levendowski DJ St. Louis EK Ferini Strambi L Galbiati A Westbrook P Berka C
author_sort	Levendowski DJ
title	Comparison of EMG power during sleep from the submental and frontalis muscles
title_short	Comparison of EMG power during sleep from the submental and frontalis muscles
title_full	Comparison of EMG power during sleep from the submental and frontalis muscles
title_fullStr	Comparison of EMG power during sleep from the submental and frontalis muscles
title_full_unstemmed	Comparison of EMG power during sleep from the submental and frontalis muscles
title_sort	comparison of emg power during sleep from the submental and frontalis muscles
publisher	Dove Medical Press
publishDate	2018
url	https://doaj.org/article/e9113286f31d47ae9cf4f7c6d12320b1
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_version_	1718397852490661888

Comparison of EMG power during sleep from the submental and frontalis muscles

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