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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">664068</article-id><article-id pub-id-type="doi">10.31857/S0131164624060013</article-id><article-id pub-id-type="edn">AGSBFC</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">Evoked Potentials of the Human Midbrain and Cortex Registered in Response to the Transition from a Consonant to a Vowel Sound</article-title><trans-title-group xml:lang="ru"><trans-title>Вызванные потенциалы среднего мозга и коры человека, зарегистрированные в ответ на переход с согласного на гласный звук</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kantserova</surname><given-names>A. O.</given-names></name><name xml:lang="ru"><surname>Канцерова</surname><given-names>А. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Oknina</surname><given-names>L. B.</given-names></name><name xml:lang="ru"><surname>Окнина</surname><given-names>Л. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pitskhelauri</surname><given-names>D. I.</given-names></name><name xml:lang="ru"><surname>Пицхелаури</surname><given-names>Д. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Podlepich</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Подлепич</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vologdina</surname><given-names>Y. O.</given-names></name><name xml:lang="ru"><surname>Вологдина</surname><given-names>Я. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@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>Sieber</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Зибер</surname><given-names>И. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@gmail.com</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Strelnikova</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Стрельникова</surname><given-names>Е. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>anna.kantserova@gmail.com</email><xref ref-type="aff" rid="aff4"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Higher Nervous Activity and Neurophysiology, RAS</institution></aff><aff><institution xml:lang="ru">ФГБУН Институт высшей нервной деятельности и нейрофизиологии РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">N.N. Burdenko National Medical Research Center of Neurosurgery</institution></aff><aff><institution xml:lang="ru">ФГАУ “Национальный медицинский исследовательский центр нейрохирургии имени академика Н.Н. Бурденко” МЗ РФ</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">National Research University Higher School of Economics</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО “Национальный исследовательский университет “Высшая школа экономики”</institution></aff></aff-alternatives><aff-alternatives id="aff4"><aff><institution xml:lang="en">Institute of Higher Nervous Activity and Neurophysiology</institution></aff><aff><institution xml:lang="ru">ФГБУН Институт высшей нервной деятельности и нейрофизиологии РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-12" publication-format="electronic"><day>12</day><month>12</month><year>2024</year></pub-date><volume>50</volume><issue>6</issue><fpage>3</fpage><lpage>12</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/664068">https://journals.eco-vector.com/0131-1646/article/view/664068</self-uri><abstract xml:lang="en"><p>Speech is a continuous stream of sounds. To perceive speech, it is necessary to allocate discrete units with different frequency, volume and duration during its sounding. The purpose of this study was to identify the responses of the human cortex and midbrain to the transition from a consonant to a vowel sound in a syllable. The study analyzed and compared evoked potentials (EP) recorded using deep electrodes in 2 patients during intraoperative monitoring (IOM) with EP recorded in 29 healthy volunteers from the head surface. Groups of peaks following the beginning of the stimulus sound and the transition from consonant to vowel sound were detected on the EP registered in response to syllables and vowel sounds. Similar groups of short-latency peaks – S (from “start”) and C (from “change”), following the beginning of the stimulus sound and the transition from consonant to vowel sound, respectively, were distinguished on the patients’ EP. Their latencies had no significant differences (p &gt; 0.05). Similarly, complexes of long-latent peaks N1<sub>S</sub>-P2<sub>S</sub> and N1<sub>C</sub>-P2<sub>C</sub>, similar to each other, were isolated on the EP of healthy volunteers. Their latencies also had no significant differences (p &gt; 0.05). During the sounding of the stimulus, the cortex performs high-level (cognitive) sound processing, while the midbrain performs low-level (primary) processing, firstly providing rapid transmission of information to the cortex. With pathologies of the auditory structures of the thalamus and cortex, the ability to respond to changes in the characteristics of sound during its sounding, including speech, is likely to be impaired or lost.</p></abstract><trans-abstract xml:lang="ru"><p>Речь – это непрерывный поток звуков. Для восприятия речи необходимо во время ее звучания выделять дискретные единицы, имеющие различную частоту, громкость и длительность. Целью данного исследования было выявить ответы коры и среднего мозга человека на переход от согласного к гласному звуку в слоге. В исследовании проводили анализ и сопоставление вызванных потенциалов (ВП), записанных при помощи глубинных электродов у 2 пациентов во время интраоперационного мониторинга (ИОМ), с ВП, записанными у 29 здоровых добровольцев с поверхности кожи головы. На ВП, зарегистрированных в ответ на слоги и гласные звуки, выявлялись группы пиков, следующие за началом звучания стимула и за переходом с согласного на гласный звук. На ВП пациентов выделялись сходные друг с другом группы коротколатентных пиков – <italic>S</italic> (от английского <italic>start</italic> – “начало”) и <italic>C</italic> (от английского <italic>change</italic> – “смена”), следующие за началом звучания стимула и за переходом с согласного на гласный звук соответственно. Их латентности не имели между собой достоверных различий (<italic>p</italic> &gt; 0.05). Аналогично на ВП здоровых испытуемых выделялись сходные друг с другом комплексы длиннолатентных пиков <italic>N1</italic><italic><sub>S</sub></italic><italic>-P2</italic><italic><sub>S</sub></italic> и<italic> N1</italic><italic><sub>C</sub></italic><italic>-P2</italic><italic><sub>C</sub></italic>. Их латентности также не имели между собой достоверных различий (<italic>p</italic> &gt; 0.05). Во время звучания стимула кора выполняет высокоуровневую (когнитивную) обработку звука, в то же время средний мозг выполняет низкоуровневую (первичную) обработку, в первую очередь обеспечивая быструю передачу информации в кору. При патологиях слуховых структур таламуса и коры способность реагировать на изменение характеристик звука во время его звучания, в том числе в речи, с большой долей вероятности будет нарушена или утрачена.</p></trans-abstract><kwd-group xml:lang="en"><kwd>evoked potentials</kwd><kwd>midbrain</kwd><kwd>cortex</kwd><kwd>speech perception</kwd><kwd>syllable</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>вызванные потенциалы</kwd><kwd>средний мозг</kwd><kwd>кора</kwd><kwd>восприятие речи</kwd><kwd>слог</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования РФ</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Boruta L., Peperkamp S., Crabbé B., Dupoux E. 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