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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">I.P. Pavlov Journal of Higher Nervous Activity</journal-id><journal-title-group><journal-title xml:lang="en">I.P. Pavlov Journal of Higher Nervous Activity</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал высшей нервной деятельности им. И.П. Павлова</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0044-4677</issn><issn publication-format="electronic">3034-5316</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">652100</article-id><article-id pub-id-type="doi">10.31857/S0044467724020069</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ФИЗИОЛОГИЯ ВЫСШЕЙ НЕРВНОЙ (КОГНИТИВНОЙ) &#13;
ДЕЯТЕЛЬНОСТИ ЧЕЛОВЕКА</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ФИЗИОЛОГИЯ ВЫСШЕЙ НЕРВНОЙ (КОГНИТИВНОЙ) ДЕЯТЕЛЬНОСТИ ЧЕЛОВЕКА</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Dynamics of EEG synchronization and desynchronization when performing real and imagined hand reaching</article-title><trans-title-group xml:lang="ru"><trans-title>Динамика синхронизации и десинхронизации ЭЭГ при выполнении реального и мысленного движения руки, направленного к видимой цели</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kurgansky</surname><given-names>M. E.</given-names></name><name xml:lang="ru"><surname>Курганская</surname><given-names>М. Е.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>m-kurg@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Isaev</surname><given-names>M. R.</given-names></name><name xml:lang="ru"><surname>Исаев</surname><given-names>М. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>m-kurg@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bobrov</surname><given-names>P. D.</given-names></name><name xml:lang="ru"><surname>Бобров</surname><given-names>П. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>m-kurg@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Higher Nervous Activity and Neurophysiology of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт высшей нервной деятельности и нейрофизиологии Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Pirogov Russian National Research Medical University</institution></aff><aff><institution xml:lang="ru">РНИМУ им. Н.И. Пирогова Минздрава России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-08-21" publication-format="electronic"><day>21</day><month>08</month><year>2024</year></pub-date><volume>74</volume><issue>2</issue><fpage>210</fpage><lpage>222</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://innoscience.ru/0044-4677/article/view/652100">https://innoscience.ru/0044-4677/article/view/652100</self-uri><abstract xml:lang="en"><p>The work investigates spatial and temporal EEG patterns during real and imagined execution of hand reaching. Six independent sources of electrical activity were identified in the EEG recordings. The sources corresponded to the premotor areas, supplementary motor area, primary motor areas, and posterior parietal cortex. Their activation patterns in the alpha and beta range were studied using a continuous wavelet transform. The main differences between real and imagined movement are found in the activation of primary motor and premotor areas. Asymmetry in activation of primary motor areas was observed only during the imaginary movements. Desynchronization in premotor areas of both the alpha and beta ranges, suggesting their activation, accompanied the imaginary movements throughout their course. On the other hand, hypersynchronization was observed in premotor areas during real movement, which likely corresponds to inhibition, while desynchronization was observed in the latent period, 1.5 seconds before the start of movement. Thus, an imaginary movement bears the features of planning a real movement.</p></abstract><trans-abstract xml:lang="ru"><p>В работе исследуется кортикальная организация реального и мысленного выполнения движения руки, направленного в цель. В записях ЭЭГ выделили 6 независимых источников электрической активности. Источники соответствовали премоторным областям, дополнительной моторной области, первичным моторным областям и задней теменной коре. Паттерны их активации в альфаи бета-диапазоне исследовались при помощи непрерывного вейвлет-преобразования. Основные различия между реальным и мысленным выполнением движения обнаружены в активации первичных моторных и премоторных областей. Асимметрия активации первичных моторных областей наблюдается только при воображаемом движении. Десинхронизация премоторных областей как в альфа-, так и в бета-диапазоне, соответствующая их активации, сопровождает воображаемое движение на всем протяжении. При реальном движении в этих областях наблюдается гиперсинхронизация, которая соответствует торможению, а десинхронизация наблюдается в латентный период, за 1.5 сек до начала движения. Таким образом, воображаемое движение несет на себе черты планирования реального движения.</p></trans-abstract><kwd-group xml:lang="en"><kwd>reaching</kwd><kwd>imaginary movement</kwd><kwd>visual-motor coordination</kwd><kwd>EEG</kwd><kwd>wavelet analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>целенаправленное движение</kwd><kwd>воображение движений</kwd><kwd>зрительно-моторная координация</kwd><kwd>ЭЭГ</kwd><kwd>вейвлет-анализ</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Правительство РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Government of the Russian Federation</institution></institution-wrap></funding-source><award-id>122051700017-2</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Мокиенко О.А., Черникова Л.А., Фролов А.А., Бобров П.Д. Воображение движения и его практическое применение. 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