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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ometendo</journal-id><journal-title-group><journal-title xml:lang="ru">Ожирение и метаболизм</journal-title><trans-title-group xml:lang="en"><trans-title>Obesity and metabolism</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2071-8713</issn><issn pub-type="epub">2306-5524</issn><publisher><publisher-name>Endocrinology Research Centre</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.14341/omet13291</article-id><article-id custom-type="elpub" pub-id-type="custom">ometendo-13291</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ORIGINAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Различия в функциональной активности мозга при употреблении сахара и некалорийных сахарозаменителей</article-title><trans-title-group xml:lang="en"><trans-title>Differences in the functional activity of the brain when using sugar and low-calorie sweeteners</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0522-767X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Раскуражев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Raskurazhev</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Раскуражев Антон Алексеевич , к.м.н.</p><p>Scopus Author ID: 57191092653</p><p>Москва</p></bio><bio xml:lang="en"><p>Anton A. Raskurazhev, MD, PhD </p><p>Scopus Author ID: 57191092653 </p><p>Moscow</p></bio><email xlink:type="simple">raskurazhev@neurology.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4626-6520</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кузнецова</surname><given-names>П. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>P. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Полина Игоревна, к.м.н. </p><p>Scopus Author ID: 57191089917</p><p>125367, г. Москва, Волоколамское шоссе, д. 80</p></bio><bio xml:lang="en"><p>Polina I. Kuznetsova, MD, PhD </p><p>Scopus Author ID: 57191089917 </p><p>125367, Moscow, Volokolamskoe shosse, h. 80 </p></bio><email xlink:type="simple">kuznetsova@neurology.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9093-344X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Морозова</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Morozova</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Морозова Софья Николаевна , к.м.н. </p><p>Scopus Author ID: 57201358482</p><p>Москва</p></bio><bio xml:lang="en"><p>Sofia N. Morozova, MD, PhD </p><p>Scopus Author ID: 57201358482 </p><p>Moscow</p></bio><email xlink:type="simple">morozova@neurology.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2373-2231</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Антонова</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Antonova</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Антонова Ксения Валентиновна , д.м.н. </p><p>Scopus Author ID: 7004672742</p><p>Москва</p></bio><bio xml:lang="en"><p>Ksenia V. Antonova, MD, PhD </p><p>Scopus Author ID: 7004672742 </p><p>Moscow</p></bio><email xlink:type="simple">antonova@neurology.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6170-6603</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Силина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Silina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Силина Наталья Валерьевна</p><p>Москва</p></bio><bio xml:lang="en"><p>Natalia V. Silina, MD </p><p>Moscow</p></bio><email xlink:type="simple">silina.natalya@endocrincentr.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8077-9381</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мазурина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mazurina</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мазурина Наталия Валентиновна, д.м.н. </p><p>Москва</p></bio><bio xml:lang="en"><p>Natalya V. Mazurina, MD, PhD </p><p>Moscow</p></bio><email xlink:type="simple">mazurina.natalya@endocrincentr.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8520-8702</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Трошина</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Troshina</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Трошина Екатерина Анатольевна, д.м.н., член-корр. РАН, профессор</p><p>Москва</p></bio><bio xml:lang="en"><p>Ekaterina A. Troshina, MD, PhD, Professor </p><p>Moscow</p></bio><email xlink:type="simple">troshina.ekaterina@endocrincentr.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5883-8119</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Танашян</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Tanashyan</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Танашян Маринэ Мовсесовна , д.м.н., профессор, академик РАН</p><p>Scopus Author ID: 6506228066</p><p>Москва</p></bio><bio xml:lang="en"><p>Marine M. Tanashyan, MD, PhD, Professor, Academician of the Russian Academy of Sciences </p><p>Scopus Author ID: 6506228066 </p><p>Moscow</p></bio><email xlink:type="simple">mtanashyan@neurology.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное научное учреждение «Российский центр неврологии и нейронаук»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Сenter of Neurology and Neurosciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное учреждение «Национальный медицинский исследовательский центр эндокринологии имени академика И.И. Дедова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Endocrinology Research Centre</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>18</day><month>07</month><year>2026</year></pub-date><volume>23</volume><issue>2</issue><fpage>67</fpage><lpage>76</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Раскуражев А.А., Кузнецова П.И., Морозова С.Н., Антонова К.В., Силина Н.В., Мазурина Н.В., Трошина Е.А., Танашян М.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Раскуражев А.А., Кузнецова П.И., Морозова С.Н., Антонова К.В., Силина Н.В., Мазурина Н.В., Трошина Е.А., Танашян М.М.</copyright-holder><copyright-holder xml:lang="en">Raskurazhev A.A., Kuznetsova P.I., Morozova S.N., Antonova K.V., Silina N.V., Mazurina N.V., Troshina E.A., Tanashyan M.M.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.omet-endojournals.ru/jour/article/view/13291">https://www.omet-endojournals.ru/jour/article/view/13291</self-uri><abstract><sec><title>Обоснование</title><p>Обоснование. Употребление продуктов с высоким содержанием сахара вызывает изменения в функционировании церебральных систем, вовлекая гедонистические и гомеостатические механизмы, что может являться одним из механизмов формирования повышенной тяги к сладкой пище, увеличения массы тела и развития метаболических нарушений. В качестве альтернативы сахарозе широко применяются некалорийные сахарозаменители. Изменения активности зон мозга при применении различных низкокалорийных подсластителей, стимулирующих рецепторы сладкого вкуса, малоизучены.</p></sec><sec><title>Цель</title><p>Цель. Изучить особенности функциональной активности различных областей головного мозга у здоровых добровольцев с помощью функциональной магнитно-резонансной томографии (фМРТ) при употреблении сахарозы и некалорийного сахарозаменителя эритритола (Е968).</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. В исследование были включены 12 добровольцев с нормальной массой тела (ИМТ) &lt;25 кг/м²). Исследование проводилось на МР-томографе Siemens Magnetom Prisma 3.0T. Протокол МРТ-исследования включал последовательности для получения Т2-взвешенных изображений и трехмерных Т1-взвешенных изображений для исключения структурной патологии головного мозга и получения анатомических данных, а также последовательность для получения данных фМРТ покоя.</p></sec><sec><title>Результаты</title><p>Результаты. Медиана возраста испытуемых — 25 лет [24; 26]; медиана ИМТ — 22,5 [20; 24,8]. По данным фМРТ, при приеме сахара наблюдается активация связей между височными зонами и зрительной корой, что может отражать усиленную сенсорную интеграцию и мотивационную обработку пищевого вознаграждения. Сахарозаменитель оказывает влияние на функциональную связанность; специфически ослабляется связь между структурами мозжечка, теменной коры и островковой коры, что можно трактовать как снижение вовлеченности интегративных сенсорно-мотивационных сетей, активных в состоянии натощак.</p></sec><sec><title>Заключение</title><p>Заключение. Динамическое исследование активности головного мозга с помощью фМРТ показало различный паттерн активации зон головного мозга при употреблении сахара и сахарозаменителя.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>BACKGROUND</title><p>BACKGROUND. Eating foods with a high sugar content causes changes in the functioning of the cerebral systems, involving hedonic and homeostatic mechanisms, which may be one of the mechanisms for the formation of increased cravings for sweet foods, weight gain and the development of metabolic disorders. Low-calorie sweeteners are widely used as an alternative to sucrose. Changes in the activity of brain areas when using various low-calorie sweeteners that stimulate sweet taste receptors are poorly understood.</p></sec><sec><title>AIM</title><p>AIM. To study the features of functional activity of various brain regions in healthy volunteers using functional magnetic resonance imaging (fMRI) when consuming sugar and the low-calorie sweetener Erythritol (E968).</p></sec><sec><title>MATERIALS AND METHODS</title><p>MATERIALS AND METHODS. The study included 12 volunteers with a normal body weight (BMI) &lt;25 kg/m2). The study was performed on a Siemens Magnetom Prisma 3.0T MR tomograph. The MRI examination protocol included sequences for obtaining T2-weighted images and three-dimensional T1-weighted images to exclude structural pathology of the brain and obtain anatomical data, as well as a sequence for obtaining resting fMRI data.</p></sec><sec><title>RESULTS</title><p>RESULTS. The median age of the subjects was 25 years [24; 26]; the median BMI was 22.5 [20; 24.8]. According to fMRI data, when taking sugar, connections between the temporal zones and the visual cortex are activated, which may reflect enhanced sensory integration and motivational processing of food reward. The sweetener has an effect on functional connectivity; the connection between the structures of the cerebellum, parietal cortex and insular cortex is specifically weakened, which can be interpreted as a decrease in the involvement of integrative sensory-motivational networks active on an empty stomach.</p></sec><sec><title>CONCLUSION</title><p>CONCLUSION. A dynamic study of brain activity using fMRI showed a different pattern of activation of brain areas when consuming sugar and sweetener.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>функциональная магнитно-резонансная томография головного мозга</kwd><kwd>ожирение</kwd><kwd>пищевое поведение</kwd><kwd>сахар</kwd><kwd>сахарозаменитель</kwd></kwd-group><kwd-group xml:lang="en"><kwd>functional magnetic resonance imaging of the brain</kwd><kwd>obesity</kwd><kwd>eating behavior</kwd><kwd>sugar</kwd><kwd>sweetener</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при поддержке Министерства науки и высшего образования РФ в рамках создания новых лабораторий («Лаборатория нейрофармакологической функциональной МРТ», Российский центр неврологии и нейронаук. 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