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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="other" 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">652023</article-id><article-id pub-id-type="doi">10.31857/S0044467723030127</article-id><article-id pub-id-type="edn">TTRFJC</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></subject></subj-group></article-categories><title-group><article-title xml:lang="en">DYNAMICS OF THE PARIETAL-OCCIPITAL ALPHA RHYTHM ACTIVITY DURING COMPARISON OF VISUAL STIMULI DURATIONS</article-title><trans-title-group xml:lang="ru"><trans-title>Динамика теменно-затылочного альфа-ритма головного мозга при сравнении длительностей временных интервалов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rogachev</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Рогачёв</surname><given-names>А. О.</given-names></name></name-alternatives><email>aorogachev@gmail.com</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>Sysoeva</surname><given-names>O. V.</given-names></name><name xml:lang="ru"><surname>Сысоева</surname><given-names>О. В.</given-names></name></name-alternatives><email>olga.v.sysoeva@gmail.com</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 Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт высшей нервной деятельности и нейрофизиологии РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Sirius University of Science and Technology</institution></aff><aff><institution xml:lang="ru">Научно-технологический университет “Сириус”</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-07-01" publication-format="electronic"><day>01</day><month>07</month><year>2023</year></pub-date><volume>73</volume><issue>4</issue><fpage>479</fpage><lpage>489</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 ©; 2023, А.О. Рогачёв, О.В. Сысоева</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, А.О. Рогачёв, О.В. Сысоева</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">А.О. Рогачёв, О.В. Сысоева</copyright-holder><copyright-holder xml:lang="ru">А.О. Рогачёв, О.В. Сысоева</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0044-4677/article/view/652023">https://transsyst.ru/0044-4677/article/view/652023</self-uri><abstract xml:lang="en"><p id="idm45181324850784">This research is aimed at studying the dynamics of the parietal-occipital alpha rhythm in its connection with the process of stimuli duration comparison. EEG study was conducted in which participants (<italic>n</italic> = 48) were asked to compare pairs of visual stimuli of different durations ranging from 3.2 to 6.4 s. The time-frequency analysis of the EEG was carried out in the range of 8–12 Hz. The power of alpha rhythm increases from the stimulus onset to the middle of its presentation, but then its dynamic depends on the stimulus duration: it further increases for short durations (3.2, 3.6, 4.0 s), stays the same for middle durations (4.4, 4.8, 5.2 s) and decreases for long durations (5.6, 6.0, 6.4 s). The relative decrease of alpha power for long stimuli in relation to the short ones was related to subjective perception of time. The results are discussed from the point of view of the “dual klepsydra” model: it is assumed that alpha rhythm acts as an electrophysiological correlate of the functioning of “neural accumulators” associated with the subjective passage of time.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324849248">Исследование направлено на изучение динамики теменно-затылочного альфа-ритма головного мозга в его связи с процессом сравнения длительностей стимулов. Было проведено ЭЭГ-исследование, в котором участникам (<italic>n</italic> = 48) предлагалось сравнивать пары зрительных стимулов различной длительности от 3.2 до 6.4 с. Проводился частотно-временной анализ ЭЭГ в диапазоне 8–12 Гц. Показана динамика теменно-затылочного альфа-ритма при выполнении задачи на сравнение длительностей: мощность альфа-ритма возрастает от момента включения стимула к середине его предъявления, но затем продолжает увеличиваться для коротких стимулов (3.2, 3.6, 4.0 с), остается такой же для средних (4.4, 4.8, 5.2 с) и снижается для длительных (5.6, 6.0, 6.4 с). При этом разница между мощностью альфа-ритма при предъявлении коротких и длительных стимулов перед выключением стимула напрямую связана с точностью оценки временных интервалов. Результаты обсуждаются с точки зрения модели “двойной клепсидры”: предполагается, что альфа-ритм выступает электрофизиологическим коррелятом функционирования “нейронных аккумуляторов”, связанных с субъективным течением времени.</p></trans-abstract><kwd-group xml:lang="en"><kwd>time perception</kwd><kwd>time durations comparison task</kwd><kwd>alpha rhythm</kwd><kwd>EEG</kwd><kwd>time-frequency analysis</kwd><kwd>“dual klepsydra” model</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>восприятие времени</kwd><kwd>сравнение длительностей стимулов</kwd><kwd>альфа-ритм</kwd><kwd>ЭЭГ</kwd><kwd>частотно-временной анализ</kwd><kwd>модель “двойной клепсидры”</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Безденежных Б.Н., Медынцев А.А., Александров Ю.И. Системная организация поведения, связанного с произвольной и непроизвольной оценкой интервалов времени разной длительности. 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