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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2021-36-25-29</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-2391</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>НЕВРОЛОГИЯ И ПСИХИАТРИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NEUROLOGY AND PSYCHIATRY</subject></subj-group></article-categories><title-group><article-title>ЭЭГ-корреляты уровня работоспособности лиц молодого возраста при стресс-индуцированном бруксизме</article-title><trans-title-group xml:lang="en"><trans-title>EEG-correlates of work efficiency level among young persons with stress-induced bruxism</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7264-3580</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Барулин</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Barulin</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Барулин Александр Евгеньевич, д. м. н., доцент, зав. кафедрой неврологии,психиатрии, мануальной медицины и медицинской реабилитации</p><p>Волгоград</p></bio><bio xml:lang="en"><p>Barulin Alexander E., DM Sci (habil.), associate professor, head of Dept of Neurology, Psychiatry, Manual Medicine and Medical Rehabilitation</p><p>Volgograd</p></bio><email xlink:type="simple">barulin23@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2873-2871</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клаучек</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Klauchek</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Клаучек Анжелика Евгеньевна, к. м. н., доцент кафедры неврологии, психиатрии, мануальной медицины и медицинской реабилитации</p><p>Волгоград</p></bio><bio xml:lang="en"><p>Klauchek Anzhelika E., PhD Med, associate professor at Dept of Neurology, Psychiatry, Manual Medicine and Medical Rehabilitation</p><p>Volgograd</p></bio><email xlink:type="simple">bubnovaae@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Клаучек</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Klauchek</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Клаучек Сергей Всеволодович, д. м. н., проф., зав. кафедрой нормальнойфизиологии</p><p>Волгоград</p></bio><bio xml:lang="en"><p>Klauchek Sergey V., DM Sci (habil.), professor, head of Dept of Normal Physiology</p><p>Volgograd</p></bio><email xlink:type="simple">s.v.klauchek@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>НМФО ФГБОУ ВО «Волгоградский государственный медицинский университет» Минздрава России</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Volgograd State Medical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2021</year></pub-date><volume>0</volume><issue>36</issue><issue-title>Неврология и психиатрия (4)</issue-title><fpage>25</fpage><lpage>29</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Барулин А.Е., Клаучек С.В., Клаучек А.Е., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Барулин А.Е., Клаучек С.В., Клаучек А.Е.</copyright-holder><copyright-holder xml:lang="en">Barulin A.E., Klauchek S.V., Klauchek A.E.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.med-alphabet.com/jour/article/view/2391">https://www.med-alphabet.com/jour/article/view/2391</self-uri><abstract><sec><title>Цель исследования</title><p>Цель исследования. Установить взаимосвязь нейрофизиологического статуса и уровня работоспособности у молодых лиц с наличием бруксизма.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. По результатам анкетирования и физикального осмотра полости рта были сформированы две группы, состоящие из 64 и 53 человек 20–35 лет, включая мужчин и женщин, с наличием и отсутствием бруксизма. Уровень работоспособности оценивался по результатам сенсомоторного слежения за движущимся объектом (модель Smile). Оценка фоновой записи электроэнцефалограмм проводилась с использованием спектрального анализа. Для статистической обработки данных применялись программы Microsoft Excel и Statistica 10.0.</p></sec><sec><title>Результаты</title><p>Результаты. Лица с наличием бруксизма продемонстрировали достоверно более низкий уровень работоспособности при выполнении наиболее сложного режима слежения, достоверно более низкие значения доминирующей частоты и максимальной амплитуды альфа-ритма, а также достоверно более высокие значения доминирующей частоты высокочастотного бета ритма. По результатам регрессионного анализа были установлены значимые коэффициенты, соответствующие параметрам: доминирующая частота альфа-ритма и максимальная амплитуда альфа-ритма. Обнаружена отрицательная взаимосвязь значения ошибки рассогласования при сенсомоторном слежении и величины частоты и амплитуды альфа-ритма.</p></sec><sec><title>Заключение</title><p>Заключение. Регрессионные модели отражают взаимосвязь степени ошибки деятельности и выраженности альфа-ритма. С помощью полученных уравнений регрессии возможно определение функционального состояния субъекта согласно данным электроэнцефалограммы.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose of the study</title><p>Purpose of the study. To establish the relationship between neurophysiological status and the level of efficiency in young people with bruxism.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. Two groups of 64 and 53 subjects (males and females) aged 20–35 years old with bruxism and non-bruxers were formed according to questionnaire results and physical examination. The level of efficiency was assessed by the results of sensorimotor tracking of a moving object (the ‘Smile’ model). Spectral analysis was performed for evaluation of the baseline electroencephalograms. Microsoft Excel and Statistica 10.0 programs were used for statistical data processing.</p></sec><sec><title>Results</title><p>Results. The level of efficiency was statistically significantly lower in the hardest test of Smile model among the individuals with bruxism (p &lt; 0.05). The bruxers also demonstrated a significantly lower dominant frequency and maximum amplitude of alpha-rhythm (p &lt; 0.05), and significantly higher dominant frequency of beta2 rhythm (p &lt; 0.05). The dominant frequency and the maximum amplitude of the alpha-rhythm are parameters corresponding to significant coefficients of the regression analysis. A negative relationship was found between the degree of error during sensorimotor tracking and the frequency and amplitude of alpha-rhythm.</p></sec><sec><title>Conclusion</title><p>Conclusion. Regression models present the relationship between the level of efficiency and the alpha-rhythm severity. The regression equations make it possible to determine the functional state of the subject using an electroencephalogram.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>бруксизм</kwd><kwd>работоспособность</kwd><kwd>сенсомоторное слежение</kwd><kwd>биоэлектрическая активность головного мозга</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bruxism</kwd><kwd>work efficiency</kwd><kwd>sensorimotor tracking</kwd><kwd>bioelectrical activity of the brain</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Wieckiewicz M., Paradowska-Stolarz A., Wieckiewicz W. Psychosocial aspects of bruxism: the most paramount factor influencing teeth grinding. Biomed Res Int. 2014; 2014: 469187. DOI: 10.1155/2014/469187.</mixed-citation><mixed-citation xml:lang="en">Wieckiewicz M., Paradowska-Stolarz A., Wieckiewicz W. 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