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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">actabiomedica</journal-id><journal-title-group><journal-title xml:lang="ru">Acta Biomedica Scientifica</journal-title><trans-title-group xml:lang="en"><trans-title>Acta Biomedica Scientifica</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2541-9420</issn><issn pub-type="epub">2587-9596</issn><publisher><publisher-name>Scientific Centre for Family Health and Human Reproduction Problems</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29413/ABS.2024-9.3.13</article-id><article-id custom-type="elpub" pub-id-type="custom">actabiomedica-4824</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>НЕВРОЛОГИЯ И НЕЙРОХИРУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>NEUROLOGY AND NEUROSURGERY</subject></subj-group></article-categories><title-group><article-title>Возрастные особенности параметров слуховых вызванных потенциалов Р300 у пожилых людей в контексте когнитивного здоровья: исследование на Европейском Севере России</article-title><trans-title-group xml:lang="en"><trans-title>Agerelated parameters of P300 auditory evoked potentials in elderly persons in the context of cognitive health: A study in the European North of Russia</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7537-0837</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поскотинова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Poskotinova</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Поскотинова Лилия Владимировна – доктор биологических наук, кандидат медицинских наук, доцент, главный научный сотрудник, заведующая лабораторией биоритмологии Института физиологии природных адаптаций; профессор кафедры семейной медицины и внутренних болезней</p><p>163020, г. Архангельск, просп. Никольский, 20</p><p>163000, г. Архангельск, просп. Троицкий, 51</p></bio><bio xml:lang="en"><p>Liliya V. Poskotinova – Dr. Sc. (Biol.), Cand. Sc. (Med.), Docent, Chief Research Officer, Head of the Laboratory of Biorhythmology, Institute of Environmental Physiology; Professor at the Department of Family Medicine and Internal Diseases</p><p>Nikolsky Ave. 20, Arkhangelsk 163020</p><p>Troitsky Ave. 51, Arkhangelsk 163000</p></bio><email xlink:type="simple">liliya200572@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/0000-0002-2323-5246</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривоногова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivonogova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кривоногова Елена Вячеславовна – кандидат биологических наук, старший научный сотрудник лаборатории биоритмологии Института физиологии природных адаптаций; старший научный сотрудник Центральной научно-исследовательской лаборатории</p><p>163020, г. Архангельск, просп. Никольский, 20</p><p>163000, г. Архангельск, просп. Троицкий, 51</p></bio><bio xml:lang="en"><p>Elena V. Krivonogova – Cand. Sc. (Biol.), Senior Research Officer at the Laboratory of Biorhythmology, Institute of Environmental Physiology; Senior Research Officer at the Central Research Laboratory</p><p>Nikolsky Ave. 20, Arkhangelsk 163020</p><p>Troitsky Ave. 51, Arkhangelsk 163000</p></bio><email xlink:type="simple">elena200280@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/0000-0002-7267-8836</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривоногова</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivonogova</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кривоногова Ольга Вячеславовна – кандидат биологических наук, научный сотрудник лаборатории биоритмологии Института физиологии природных адаптаций; научный сотрудник Центральной научно-исследовательской лаборатории</p><p>163020, г. Архангельск, просп. Никольский, 20</p><p>163000, г. Архангельск, просп. Троицкий, 51</p></bio><bio xml:lang="en"><p>Olga V. Krivonogova – Cand. Sc. (Biol.), Research Officer at the Laboratory of Biorhythmology, Institute of Environmental Physiology; Research Officer at the Central Research Laboratory</p><p>Nikolsky Ave. 20, Arkhangelsk 163020</p><p>Troitsky Ave. 51, Arkhangelsk 163000</p></bio><email xlink:type="simple">ja.olga1@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8902-8947</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудрявцев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudryavtsev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кудрявцев Александр Валерьевич – кандидат медицинских наук, PhD, заведующий международным центром научных компетенций Центральной научно-исследовательской лаборатории</p><p>163000, г. Архангельск, просп. Троицкий, 51</p></bio><bio xml:lang="en"><p>Alexander V. Kudryavtsev – Cand. Sc. (Med.), PhD, Head of the International Research Competence Centre of the Central Research Laboratory</p><p>Troitsky Ave. 51, Arkhangelsk 163000</p></bio><email xlink:type="simple">alex.v.kudryavtsev@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБУН Федеральный исследовательский центр комплексного изучения Арктики имени академика Н.П. Лаверова УрО РАН; ФГБОУ ВО «Северный государственный медицинский университет» Минздрава России</institution></aff><aff xml:lang="en"><institution>N. Laverov Federal Center for Integrated Arctic Research, Ural Branch of the Russian Academy of Sciences; Northern State Medical University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГБОУ ВО «Северный государственный медицинский университет» Минздрава России</institution></aff><aff xml:lang="en"><institution>Northern State Medical University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>23</day><month>07</month><year>2024</year></pub-date><volume>9</volume><issue>3</issue><fpage>130</fpage><lpage>143</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Поскотинова Л.В., Кривоногова Е.В., Кривоногова О.В., Кудрявцев А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Поскотинова Л.В., Кривоногова Е.В., Кривоногова О.В., Кудрявцев А.В.</copyright-holder><copyright-holder xml:lang="en">Poskotinova L.V., Krivonogova E.V., Krivonogova O.V., Kudryavtsev A.V.</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.actabiomedica.ru/jour/article/view/4824">https://www.actabiomedica.ru/jour/article/view/4824</self-uri><abstract><p>Обоснование. Нормирование параметров когнитивных слуховых вызванных потенциалов (ВП) Р300 у пожилых людей с сохранными когнитивными функциями с учётом проживания в определённых климатогеографических условиях является актуальной проблемой.Цель исследования. Определение возрастных особенностей параметров когнитивных слуховых вызванных потенциалов Р300 у пожилых людей 60–69 и 70–74 лет, жителей Европейского Севера России (на примере г. Архангельска).Методы. Определены параметры слуховых ВП Р300 у случайно отобранных городских жителей в возрастных группах 60–69 лет (n = 284) и 70–74 лет (n = 115) с нормальными показателями по Монреальской шкале оценки когнитивных функций (МоСА, Montreal Cognitive Assessment), отсутствием депрессии (по шкале депрессии Бека), сохранной трудоспособностью и/ или социальными функциями. Рассчитаны 5–95-е процентильные значения (Р5–Р95) параметров ВП Р300 и оценены связи этих параметров с социально-демографическими характеристиками, образом жизни и результатами по шкале МоСА и шкале депрессии Бека.Результаты. Определены статистически значимые различия показателей латентности ВП Р300 между группами 60–69 и 70–74 лет (Р25–Р90) во всех изучаемых мозговых отделах (лобных, центральных). В группе 60–69 лет диапазон значений Р25–Р75 латентностей ВП Р300 составил 342,5–401 мс, в группе 70–74 лет – 358,5–443 мс. Возрастные различия амплитуд ВП Р300 были минимальными при межквартильном диапазоне 4–13 мкВ в общей выборке. Курящие участники имели более высокие показатели латентности и более низкие показатели амплитуды, курившие в прошлом – более высокие показатели латентности в сравнении с никогда не курившими.Заключение. Латентность выше 400 мс в возрасте 60–65 лет и выше 443 мс в 70–74 года может рассматриваться в качестве критерия сниженного когнитивного резерва и повышенного риска развития когнитивных нарушений у пожилых людей, проживающих на Европейском Севере России.</p></abstract><trans-abstract xml:lang="en"><p>Background. Setting of norms for the parameters of P300 cognitive auditory evoked potentials (EP) in elderly people with intact cognitive functions considering their residence in certain climatic and geographical regions is an urgent problem.The aim of the study. To determine age-related parameters of P300 cognitive auditory evoked potentials in elderly people aged 60–69 and 70–74 years, living in the European North of Russia (using the example of Arkhangelsk).Methods. The parameters of P300 auditory EP were determined in randomly selected urban residents in the age groups of 60–69 years (n = 284) and 70–74 years (n = 115) with normal scores on the Montreal Cognitive Assessment Scale (MoCA), without depression (according to Beck Depression Inventory), with preserved ability to work and/or social functions. We calculated the 5th–95th percentile values (P5– P95) of the P300 EP parameters and assessed the relationships of these parameters with socio-demographic characteristics, lifestyle and the results on the MoCA scale and Beck Depression Inventory.Results. Statistically significant differences in latency indicators of P300 EP were determined between groups of 60–69 and 70–74 years (P25–P90) in all studied brain regions (frontal, central). In the group of 60–69 years, the range of P25–P75 values of P300 EP latencies was 342.5–401 ms, in the group of 70–74 years – 358.5–443 ms. Age differences in P300 EP amplitudes were minimal with an interquartile range of 4–13 μV in the total sample. Participants who smoked had higher latency scores and lower amplitude scores; former smokers had higher latency scores compared to never-smokers.Conclusion. Latency above 400 ms at the age of 60–65 years and above 443 ms at 70–74 years can be considered as a criterion for reduced cognitive reserve and an increased risk of developing cognitive disorders in elderly people living in the European North of Russia.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>когнитивные функции</kwd><kwd>когнитивные вызванные потенциалы</kwd><kwd>Север</kwd><kwd>здоровое старение</kwd><kwd>когнитивное здоровье</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cognitive function</kwd><kwd>cognitive evoked potentials</kwd><kwd>North</kwd><kwd>healthy aging</kwd><kwd>cognitive health</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования проведены при финансовой поддержке Российского научного фонда, проект № 23-15-20017 «Биомаркеры индивидуальной жизнеспособности у жителей Европейского Севера России».</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Давидян О.В., Масная М.В., Силютина М.В., Титарева Л.В., Коршун Е.И. 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