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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">medalphabet</journal-id><journal-title-group><journal-title xml:lang="ru">Медицинский алфавит</journal-title><trans-title-group xml:lang="en"><trans-title>Medical alphabet</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2078-5631</issn><issn pub-type="epub">2949-2807</issn><publisher><publisher-name>ООО «Альфмед»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.33667/2078-5631-2026-17-20-24</article-id><article-id custom-type="elpub" pub-id-type="custom">medalphabet-5170</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Окулографический анализ саккадических движений глаз у пациентов с дисциркуляторной энцефалопатией</article-title><trans-title-group xml:lang="en"><trans-title>Oculographic analysis of saccadic eye movements  in patients with vascular encephalopathy</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8988-3011</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвиненко</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinenko</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Литвиненко Игорь Вячеславович, д. м. н., профессор, начальник кафедры и клиники нервных болезней</p><p>Researcher ID: F-9120-2013. Scopus Author ID: 35734354000</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Litvinenko Igor V., Dr Med Sci (habil.), professor; head of Dept and Clinic of Neurology</p><p>Researcher ID: F-9120-2013</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4723-802X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Емелин</surname><given-names>А. ю</given-names></name><name name-style="western" xml:lang="en"><surname>Emelin</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Емелин Андрей Юрьевич, д. м. н., профессор кафедры нервных болезней; проф. кафедры неврологии и нейрохирургии</p><p>Web of Sciences Researcher ID 1-8241-2016. Scopus Author ID 35773115100</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Emelin Andrey Yu., Dr Med Sci (habil.), professor, professor at Dept of Neurology, professor at Dept of Neurology and Neurosurgery</p><p>Web of Sciences Researcher ID 1-8241-2016</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3109-8795</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Лобзин</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Lobzin</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лобзин Владимир Юрьевич, д. м. н., профессор кафедры нервных болезней; проф., зав. кафедрой неврологии и нейрохирургии</p><p>Researcher ID: I-4819-2016. Scopus ID: 57203881632</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Lobzin Vladimir Yu., Dr Med Sci (habil.), professor, professor at Dept of Neurology, head of Dept of Neurology and Neurosurgery</p><p>Researcher ID: I-4819-2016. Scopus ID: 57203881632</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7039-2423</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Наумов</surname><given-names>К. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Naumov</surname><given-names>K. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Наумов Константин Михайлович, к. м. н., доцент кафедры нервных болезней</p><p>Researcher ID: 1-8567-2016. Scopus Author ID: 8390739200</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Naumov Konstantin M., PhD Med Sci, associate professor at Dept of Nervous Diseases</p><p>Researcher ID: 1-8567-2016. Scopus Author ID: 8390739200</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-2335-9825</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чаплиев</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Chapliev</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чаплиев Илья Юрьевич, аспирант</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Chapliev Ilia Yu., graduate student</p><p>Saint-Petersburg</p></bio><email xlink:type="simple">ilya.chapliev@mail.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/0009-0004-8779-5527</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чаплиев</surname><given-names>Г. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Chapliev</surname><given-names>G. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чаплиев Глеб Юрьевич, студент</p><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Chapliev Gleb Yu., graduate student</p><p>Saint-Petersburg</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБВОУ ВО «Военно-медицинская академия имени С. М. Кирова» Министерства обороны Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>S. M. Kirov Military Medical Academy, Ministry of Defense of the Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБВОУ ВО «Военно-медицинская академия имени С. М. Кирова» Министерства обороны Российской Федерации; ФГБОУ ВО «Санкт-Петербургский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>S. M. Kirov Military Medical Academy, Ministry of Defense of the Russian Federation; Saint-Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ФГБОУ ВО «Санкт-Петербургский государственный экономический университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State University of Economics</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>27</day><month>08</month><year>2026</year></pub-date><volume>0</volume><issue>17</issue><issue-title>Неврология и психиатрия (2)</issue-title><fpage>20</fpage><lpage>24</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Литвиненко И.В., Емелин А.ю., Лобзин В.Ю., Наумов К.М., Чаплиев И.Ю., Чаплиев Г.Ю., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Литвиненко И.В., Емелин А.ю., Лобзин В.Ю., Наумов К.М., Чаплиев И.Ю., Чаплиев Г.Ю.</copyright-holder><copyright-holder xml:lang="en">Litvinenko I.V., Emelin A.Y., Lobzin V.Y., Naumov K.M., Chapliev I.Y., Chapliev G.Y.</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.med-alphabet.com/jour/article/view/5170">https://www.med-alphabet.com/jour/article/view/5170</self-uri><abstract><p>Цель исследования – оценить диагностическую значимость объективных параметров саккадических движений глаз для раннего выявления когнитивного дефицита у пациентов с хронической ишемией головного мозга (дисциркуляторная энцефалопатия, ДЭ I–II стадий).</p><sec><title>Материалы и методы</title><p>Материалы и методы. Обследованы 50 человек: 22 пациента с ДЭ (MMSE 26,3±2,4) и 28 условно здоровых добровольцев (MMSE 28,8±1,1). Движения глаз регистрировали с использованием видеоокулографа Pupil Invisible. Протокол включал задачи «Gap», «Overlap» и «Prediction».</p><p>Анализировали латентность, точность, коэффициент вариации (CV) и процент ошибок.</p></sec><sec><title>Результаты</title><p>Результаты. В задаче «Gap» средние латентность и gain не различались, но CV у пациентов был выше более чем в 2 раза (35,9±13,2 % против 16,1±4,5 %; р=0,012). В «Overlap» отмечалась тенденция к увеличению латентности (р=0,07) без различий по gap-эффекту (р=0,41).</p><p>Наиболее выраженные различия выявлены в «Prediction»: увеличение латентности (р=0,041) и процент ошибок (р=0,038).</p></sec><sec><title>Заключение</title><p>Заключение. При ДЭ I–II наиболее информативны показатели устойчивости и качества выполнения в нагрузочных когнитивных задачах.</p></sec></abstract><trans-abstract xml:lang="en"><p>Objective – to assess the diagnostic value of objective saccadic eye-movement parameters for early detection of neurocognitive deficit in patients with chronic cerebral ischemia (vascular encephalopathy, stages I–II).</p><sec><title>Materials and methods</title><p>Materials and methods. Fifty participants were examined: 22 patients with vascular encephalopathy (MMSE 26.3±2.4) and 28 conditionally healthy volunteers (MMSE 28.8±1.1). Eye movements were recorded using the Pupil Invisible video-oculography system. The protocol included the Gap, Overlap, and Prediction tasks. Latency, gain, coefficient of variation (CV), and error rate were analyzed.</p></sec><sec><title>Results</title><p>Results. In the Gap task, mean latency and gain did not differ, whereas CV was more than twofold higher in patients (35.9±13.2 % vs 16.1±4.5 %; p=0.012). In the Overlap task, a trend toward longer latency was observed (p=0.07) with no difference in the gap effect (p=0.41). The most pronounced differences were found in the Prediction task: increased latency (p=0.041) and a higher error rate (p=0.038).</p></sec><sec><title>Conclusion</title><p>Conclusion. In vascular encephalopathy stages I–II, measures of response stability and performance quality in cognitively demanding tasks are the most informative.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>видеоокулография</kwd><kwd>ай-трекинг</kwd><kwd>ранняя диагностика</kwd><kwd>когнитивные нарушения</kwd><kwd>дисциркуляторная энцефалопатия</kwd><kwd>саккады</kwd><kwd>латентный период</kwd></kwd-group><kwd-group xml:lang="en"><kwd>video-oculography</kwd><kwd>eye tracking</kwd><kwd>early diagnosis</kwd><kwd>cognitive impairment</kwd><kwd>vascular encephalopathy</kwd><kwd>saccades</kwd><kwd>saccadic latency</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Hutton S. B. Cognitive control of saccadic eye movements. Brain Cogn. 2008; (3): 327–340. https://doi.org/10.1016/j.bandc.2008.08.021</mixed-citation><mixed-citation xml:lang="en">Hutton S. B. 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