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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">Ekologiya cheloveka (Human Ecology)</journal-id><journal-title-group><journal-title xml:lang="en">Ekologiya cheloveka (Human Ecology)</journal-title><trans-title-group xml:lang="ru"><trans-title>Экология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-0869</issn><issn publication-format="electronic">2949-1444</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">677125</article-id><article-id pub-id-type="doi">10.17816/humeco677125</article-id><article-id pub-id-type="edn">UGYBZR</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>ORIGINAL STUDY ARTICLES</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ОРИГИНАЛЬНЫЕ ИССЛЕДОВАНИЯ</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">Assessment of psychophysiological functions of the central nervous system in Buryat children with excessive smartphone use</article-title><trans-title-group xml:lang="ru"><trans-title>Оценка психофункциональных возможностей центральной нервной системы детей-бурят при избыточном использовании смартфонов</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>布里亚特族儿童因过度使用智能手机导致的中枢神经系统心理功能状态评估</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0169-4513</contrib-id><contrib-id contrib-id-type="spin">4281-2705</contrib-id><name-alternatives><name xml:lang="en"><surname>Mylnikova</surname><given-names>Inna V.</given-names></name><name xml:lang="ru"><surname>Мыльникова</surname><given-names>Инна Владимировна</given-names></name><name xml:lang="zh"><surname>Mylnikova</surname><given-names>Inna V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Associate Professor</p></bio><email>inna.mylnikova.phd.ms@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2358-2280</contrib-id><contrib-id contrib-id-type="spin">3979-5433</contrib-id><name-alternatives><name xml:lang="en"><surname>Bogdanova</surname><given-names>Olga G.</given-names></name><name xml:lang="ru"><surname>Богданова</surname><given-names>Ольга Георгиевна</given-names></name><name xml:lang="zh"><surname>Bogdanova</surname><given-names>Olga G.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine)</p></bio><email>olga.bogdanova2001@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-2784-0894</contrib-id><contrib-id contrib-id-type="spin">9205-6955</contrib-id><name-alternatives><name xml:lang="en"><surname>Urbanova</surname><given-names>Ekaterina Z.</given-names></name><name xml:lang="ru"><surname>Урбанова</surname><given-names>Екатерина Зориктуевна</given-names></name><name xml:lang="zh"><surname>Urbanova</surname><given-names>Ekaterina Z.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine)</p></bio><email>urbanova8484@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7218-2147</contrib-id><contrib-id contrib-id-type="spin">4537-9381</contrib-id><name-alternatives><name xml:lang="en"><surname>Efimova</surname><given-names>Natalya V.</given-names></name><name xml:lang="ru"><surname>Ефимова</surname><given-names>Наталья Васильевна</given-names></name><name xml:lang="zh"><surname>Efimova</surname><given-names>Natalya V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>medecolab@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">East-Siberian Institute of Medical and Ecological Research</institution></aff><aff><institution xml:lang="ru">Восточно-Сибирский институт медико-экологических исследований</institution></aff><aff><institution xml:lang="zh">East-Siberian Institute of Medical and Ecological Research</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Center for Public Health and Medical Prevention of the Republic of Buryatia named after V.R. Boyanova</institution></aff><aff><institution xml:lang="ru">Центр общественного здоровья и медицинской профилактики Республики Бурятия им. В.Р. Бояновой</institution></aff><aff><institution xml:lang="zh">Center for Public Health and Medical Prevention of the Republic of Buryatia named after V.R. Boyanova</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2025-06-03" publication-format="electronic"><day>03</day><month>06</month><year>2025</year></pub-date><pub-date date-type="pub" iso-8601-date="2025-07-19" publication-format="electronic"><day>19</day><month>07</month><year>2025</year></pub-date><volume>32</volume><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>42</fpage><lpage>51</lpage><history><date date-type="received" iso-8601-date="2025-03-14"><day>14</day><month>03</month><year>2025</year></date><date date-type="accepted" iso-8601-date="2025-04-10"><day>10</day><month>04</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2025,</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hum-ecol.ru/1728-0869/article/view/677125">https://hum-ecol.ru/1728-0869/article/view/677125</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Mobile devices have become an integral part of the environment of modern children. However, digital content is evolving more rapidly than scientific research on its impact on children’s health.</p> <p><bold>AIM:</bold> To assess changes in the psychophysiological responses of the central nervous system in Buryat children associated with increased use of mobile electronic devices.</p> <p><bold>METHODS:</bold> A two-stage examination was conducted in 262 schoolchildren of Buryat ethnicity (Group 1: 149 children examined in 2016; Group 2: 113 children examined in 2024). Psychophysiological functions of the central nervous system were assessed using the simple visual-motor reaction test and the tapping test.</p> <p><bold>RESULTS:</bold> The evaluation of the autonomic status of the examined children indicated the development of sleep disturbances in 44.2±4.7% of children in Group 2, paroxysmal headaches in 39.8±4.6%, and increased fatigue in 33.6±4.4% of cases. The above autonomic symptoms were accompanied by a decline in the functional capacities of the central nervous system. In Group 2, compared to Group 1, fewer children exhibited high speed of information synthesis and analysis (&lt;189 ms), high stability of sensorimotor responses (&lt;33 ms), greater visual-motor reaction accuracy and, accordingly, fewer premature responses, as well as a high level of central nervous system functional capacity (starting from 3.8 arbitrary units). At the same time, the moderately weak type of nervous system—characterized by low mobility of nervous processes, a tendency toward rapid fatigue, inertia in the formation of conditioned reflexes, and an increased number of erroneous responses—was less common in Group 1 than in Group 2. The listed psychophysiological characteristics of the central nervous system objectively reflect the adverse impact of modern mobile devices on the health of children living in rural areas.</p> <p><bold>CONCLUSION:</bold> To reduce the health risks posed to children by the digital environment, it is essential to develop their skills for the safe use of mobile digital devices.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Одним из компонентов окружающей среды современных детей являются мобильные устройства. При этом цифровой контент развивается быстрее, чем исследования влияния гаджетов на здоровье детей.</p> <p><bold>Цель.</bold> Оценка изменения психофизиологических реакций центральной нервной системы детей-бурят в связи увеличением использования мобильных электронных устройств.</p> <p><bold>Материалы и методы.</bold> Проведено двухэтапное обследование 262 школьников бурятского этноса (1-я группа — 149 детей, обследованных в 2016 г., 2-я группа — 113 детей, обследованных в 2024 г.). Психофизиологические возможности центральной нервной системы изучали с применением простой зрительно-моторной реакции и теппинг-теста.</p> <p><bold>Результаты.</bold> Исследование вегетативного статуса обследованных детей свидетельствует о формировании нарушений сна у детей 2-й группы в 44,2±4,7% случаев, приступообразных головных болей — в 39,8±4,6%, повышенной утомляемости — в 33,6±4,4%. Перечисленные вегетативные симптомы сопровождались снижением функциональных возможностей центральной нервной системы. Во 2-й группе выявлено меньше детей, чем в 1-й группе, с высокой скоростью синтеза и анализа поступающей информации (&lt;189 мс), высокой стабильностью сенсомоторного реагирования (&lt;33 мс), большей точностью зрительно-моторных реакций и, соответственно, меньшим количеством преждевременных реакций, высоким уровнем функциональных возможностей центральной нервной системы (от 3,8 усл. ед.). Вместе с тем в 1-й группе реже, чем во 2-й, встречается вариант среднеслабой нервной системы, характеризующейся низкой подвижностью нервных процессов, предрасположенностью к быстрому развитию утомления, инертностью формирования условно-рефлекторных реакций, сопровождающейся увеличением числа ошибочных реакций. Перечисленные психофизиологические характеристики центральной нервной системы объективно отражают отрицательное влияние современных мобильных устройств на здоровье детей сельских территорий.</p> <p><bold>Заключение.</bold> В целях снижения риска для здоровья детей, обусловленного цифровой средой, необходимо формировать у детей навыки безопасного использования мобильных цифровых устройств.</p></trans-abstract><trans-abstract xml:lang="zh"><p>论证。移动电子设备已成为当代儿童生活环境的组成部分之一。然而，数字内容的发展速度快于其对儿童健康影响的研究进程。</p> <p>目的。评估随着移动电子设备使用频率的增加，布里亚特族儿童中枢神经系统心理生理反应的变化。</p> <p>材料与方法。对262名布里亚特族学龄儿童进行了两阶段调查（第1组为2016年接受调查的149名儿童，第2组为2024年接受调查的113名儿童）。采用简单视动反应测试和敲击测试评估中枢神经系统的心理生理功能状态。</p> <p>结果。对受检儿童植物神经状态的评估显示，第2组儿童中，44.2±4.7%的个体出现睡眠障碍，39.8±4.6%出现阵发性头痛，33.6±4.4%表现为疲劳感增强。上述植物神经症状伴随着中枢神经系统功能能力的减退。第2组中，具备高水平信息整合与处理速度（&lt;189 ms）、高稳定性感觉运动反应（&lt;33 ms）、更高视动反应准确性及更少提前反应次数，以及中枢神经系统功能能力较高（≥3.8分）的儿童比例低于第1组。同时，第1组中神经系统中等偏弱类型的发生频率低于第2组，其特征为神经过程灵活性低、易于快速疲劳、条件反射形成迟缓，并伴有错误反应数量的增加。上述中枢神经系统心理生理特征客观反映出现代移动设备对农村地区儿童健康的负面影响。</p></trans-abstract><kwd-group xml:lang="en"><kwd>children</kwd><kwd>Buryats</kwd><kwd>rural areas</kwd><kwd>psychophysiological functions</kwd><kwd>central nervous system</kwd><kwd>smartphones</kwd><kwd>digital devices</kwd><kwd>Eastern Siberia</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>дети</kwd><kwd>буряты</kwd><kwd>сельская местность</kwd><kwd>психофункциональные возможности</kwd><kwd>центральная нервная система</kwd><kwd>смартфоны</kwd><kwd>цифровые устройства</kwd><kwd>Восточная Сибирь</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>儿童</kwd><kwd>布里亚特族</kwd><kwd>农村地区</kwd><kwd>心理功能状态</kwd><kwd>中枢神经系统</kwd><kwd>智能手机</kwd><kwd>数字设备</kwd><kwd>东部西伯利亚</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap><institution-wrap><institution xml:lang="zh">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>25-25-00092</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Haug S, Castro RP, Kwon M, et al. 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