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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">Доклады Академии наук</journal-id><journal-title-group><journal-title xml:lang="en">Доклады Академии наук</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Академии наук</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0869-5652</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">16067</article-id><article-id pub-id-type="doi">10.31857/S0869-56524882157-161</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Physical chemistry</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Физическая химия</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">Kinetics of chemical processes in the human brain. Modeling of the BOLD-signal at f-MRT research</article-title><trans-title-group xml:lang="ru"><trans-title>Кинетика химических процессов в мозге человека. Моделирование BOLD-сигнала при фМРТ исследовании</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Varfolomeev</surname><given-names>S. D.</given-names></name><name xml:lang="ru"><surname>Варфоломеев</surname><given-names>С. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Corresponding Member of the Russian Academy of Sciences</p></bio><bio xml:lang="ru"><p>Член-корреспондент РАН</p></bio><email>vibykov@mail.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>Semenova</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Семенова</surname><given-names>Н. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vibykov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Bykov</surname><given-names>V. I.</given-names></name><name xml:lang="ru"><surname>Быков</surname><given-names>В. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vibykov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsybenova</surname><given-names>S. B.</given-names></name><name xml:lang="ru"><surname>Цыбенова</surname><given-names>С. Б.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>vibykov@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Biochemical Physics of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт биохимической физики имени Н.М. Эмануэля Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Lomonosov Moscow State University</institution></aff><aff><institution xml:lang="ru">"Московский государственный университет имени М.В. Ломоносова"</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2019-09-24" publication-format="electronic"><day>24</day><month>09</month><year>2019</year></pub-date><volume>488</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>157</fpage><lpage>161</lpage><history><date date-type="received" iso-8601-date="2019-09-16"><day>16</day><month>09</month><year>2019</year></date><date date-type="accepted" iso-8601-date="2019-09-16"><day>16</day><month>09</month><year>2019</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2019, Russian academy of sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2019, Российская академия наук</copyright-statement><copyright-year>2019</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/0869-5652/article/view/16067">https://journals.eco-vector.com/0869-5652/article/view/16067</self-uri><abstract xml:lang="en"><p>A kinetic model describing the impulse of increasing oxygen in the excited nervous tissue of the human brain in response to an external signal is presented. The model is based on biochemical data and describes experimental data on an impulsed hemodynamic response. The model predicts the dynamic behavior of the process participants, which preceding the oxygen impulse and determining the level of the BOLD-signal.</p></abstract><trans-abstract xml:lang="ru"><p>Представлена кинетическая модель, описывающая импульс увеличения кислорода в возбужденной нервной ткани мозга человека в ответ на внешний сигнал. Модель основана на биохимических данных и описывает экспериментальные данные по импульсному гемодинамическому ответу. Модель предсказывает динамическое поведение участников процесса, которые предшествуют импульсу кислорода и определяют уровень BOLD-сигнала.</p></trans-abstract><kwd-group xml:lang="en"><kwd>kinetic model</kwd><kwd>process dynamics</kwd><kwd>the human brain</kwd><kwd>hemodynamic response</kwd><kwd>BOLD</kwd><kwd>an external signal</kwd><kwd>fMRI</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>кинетическая модель</kwd><kwd>динамика процесса</kwd><kwd>мозг человека</kwd><kwd>гемодинамический ответ</kwd><kwd>BOLD</kwd><kwd>внешний сигнал</kwd><kwd>фМРТ</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap></funding-source><award-id></award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Huettel S.A. // J. 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