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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">Human Physiology</journal-id><journal-title-group><journal-title xml:lang="en">Human Physiology</journal-title><trans-title-group xml:lang="ru"><trans-title>Физиология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0131-1646</issn><issn publication-format="electronic">3034-6150</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">663987</article-id><article-id pub-id-type="doi">10.31857/S0131164624020038</article-id><article-id pub-id-type="edn">VIODDM</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</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">EEG-Correlates of Competition and Cooperation</article-title><trans-title-group xml:lang="ru"><trans-title>ЭЭГ-корреляты конкурентных и кооперационных взаимодействий</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bocharov</surname><given-names>A. V.</given-names></name><name xml:lang="ru"><surname>Бочаров</surname><given-names>А. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.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>Savostyanov</surname><given-names>A. N.</given-names></name><name xml:lang="ru"><surname>Савостьянов</surname><given-names>А. Н.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.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>Tamozhnikov</surname><given-names>S. S.</given-names></name><name xml:lang="ru"><surname>Таможников</surname><given-names>С. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rudych</surname><given-names>P. D.</given-names></name><name xml:lang="ru"><surname>Рудыч</surname><given-names>П. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.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>Zavarzin</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Заварзин</surname><given-names>Е. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.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>Saprygin</surname><given-names>A. E.</given-names></name><name xml:lang="ru"><surname>Сапрыгин</surname><given-names>А. E.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Merkulova</surname><given-names>E. A.</given-names></name><name xml:lang="ru"><surname>Меркулова</surname><given-names>E. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Knyazev</surname><given-names>G. G.</given-names></name><name xml:lang="ru"><surname>Князев</surname><given-names>Г. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>bocharovav@neuronm.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Scientific Research Institute of Neurosciences and Medicine</institution></aff><aff><institution xml:lang="ru">ФГБНУ Научно-исследовательский институт нейронаук и медицины</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Novosibirsk State University</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский Новосибирский государственный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-07-24" publication-format="electronic"><day>24</day><month>07</month><year>2024</year></pub-date><volume>50</volume><issue>2</issue><fpage>32</fpage><lpage>42</lpage><history><date date-type="received" iso-8601-date="2025-02-25"><day>25</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://journals.eco-vector.com/0131-1646/article/view/663987">https://journals.eco-vector.com/0131-1646/article/view/663987</self-uri><abstract xml:lang="en"><p>The aim was to investigate the peculiarities and localization of the current source density of α- and θ-frequency bands accompanying competition and cooperation with another player, as well as individual figure building in a computer game. The sample included forty-two volunteers (24 females) between the ages of 18 and 47. Analysis of differences in the current source density of 127 channel EEG under different game conditions was performed in the eLoreta program. During competition, the θ-current source density in the anterior cingulate cortex and medial prefrontal cortex was greater than during cooperation. According to the literature on functional correlates of θ-rhythm, it can be suggested that the greater increase in medial frontal θ-rhythm detected during competition may be related to focused attention and cognitive control processes. The alpha current source density in the parietal and visual cortex areas during interactive game modes (cooperation and competition) was lower compared to the individual mode. During cooperation the α-current source density was lower compared to the competition mode. The greatest decrease of the α-current source density in the cooperation mode is consistent with idea of a relation between α-rhythm decrease and the processes of understanding the other person’s intentions.</p></abstract><trans-abstract xml:lang="ru"><p>Целью данной работы — исследование особенностей и определение локализации источников тока α- и θ-ритмов, сопровождающих конкуренцию и кооперацию с другим игроком, а также индивидуальное построение фигуры в компьютерной игре. Выборка состояла из 42 добровольцев (24 женщины) в возрасте от 18 до 47 лет. Анализ различий плотности источников тока 127 канальной ЭЭГ в разных условиях игры был выполнен в программе <italic>eLoreta</italic>. Во время конкуренции спектральная плотность θ-ритма была больше, чем в условиях кооперации и этот эффект был наиболее выражен в передней поясной коре и медиальной префронтальной коре. Согласно литературным данным о функциональных коррелятах θ-ритма, можно предположить, что выявленное во время конкуренции увеличение медиального фронтального θ-ритма может быть связано со сфокусированным вниманием и процессами когнитивного контроля. Плотность источников α-ритма в теменных и зрительных областях коры во время совместной игры (кооперация и конкуренция) была меньше по сравнению с индивидуальным выполнением. Во время кооперации спектральная плотность α-ритма была меньше по сравнению с конкуренцией. Выявленное в исследовании наибольшее снижение спектральной плотности α-ритма в условии кооперации, согласуется с представлениями о связи снижения α-ритма и процессов понимания намерений другого человека.</p></trans-abstract><kwd-group xml:lang="en"><kwd>EEG</kwd><kwd>θ-rhythm</kwd><kwd>α-rhythm</kwd><kwd>competition</kwd><kwd>cooperation</kwd><kwd>social interactions</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>ЭЭГ</kwd><kwd>θ-ритм</kwd><kwd>α-ритм</kwd><kwd>конкуренция</kwd><kwd>кооперация</kwd><kwd>социальные взаимодействия</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">РНФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">RSF</institution></institution-wrap></funding-source><award-id>22-15-00142</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Decety J., Jackson P.L., Sommerville J.A. et al. 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