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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="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Annals of Clinical and Experimental Neurology</journal-id><journal-title-group><journal-title xml:lang="en">Annals of Clinical and Experimental Neurology</journal-title><trans-title-group xml:lang="ru"><trans-title>Анналы клинической и экспериментальной неврологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2075-5473</issn><issn publication-format="electronic">2409-2533</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">696</article-id><article-id pub-id-type="doi">10.25692/ACEN.2020.4.3</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">The correlation between motor and cognitive dysfunction in multiple sclerosis</article-title><trans-title-group xml:lang="ru"><trans-title>Взаимосвязь двигательных и когнитивных нарушений при рассеянном склерозе</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Mineev</surname><given-names>Konstantin K.</given-names></name><name xml:lang="ru"><surname>Минеев</surname><given-names>Константин Константинович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sid@ihb.spb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Petrov</surname><given-names>Andrey M.</given-names></name><name xml:lang="ru"><surname>Петров</surname><given-names>Андрей Михайлович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sid@ihb.spb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Votintseva</surname><given-names>Marina V.</given-names></name><name xml:lang="ru"><surname>Вотинцева</surname><given-names>Марина Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sid@ihb.spb.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Stolyarov</surname><given-names>Igor D.</given-names></name><name xml:lang="ru"><surname>Столяров</surname><given-names>Игорь Дмитриевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>sid@ihb.spb.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">N.P. Beсhtereva Institute of Human Brain of the Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">ФГБУН «Институт мозга человека им. Н.П. Бехтеревой» Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-12-26" publication-format="electronic"><day>26</day><month>12</month><year>2020</year></pub-date><volume>14</volume><issue>4</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>23</fpage><lpage>28</lpage><history><date date-type="received" iso-8601-date="2020-12-25"><day>25</day><month>12</month><year>2020</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Mineev K.K., Petrov A.M., Votintseva M.V., Stolyarov I.D.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, Mineev K.K., Petrov A.M., Votintseva M.V., Stolyarov I.D.</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="en">Mineev K.K., Petrov A.M., Votintseva M.V., Stolyarov I.D.</copyright-holder><copyright-holder xml:lang="ru">Mineev K.K., Petrov A.M., Votintseva M.V., Stolyarov I.D.</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/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://annaly-nevrologii.com/pathID/article/view/696">https://annaly-nevrologii.com/pathID/article/view/696</self-uri><abstract xml:lang="en"><p><bold>The correlation between motor and cognitive dysfunction in multiple sclerosis</bold></p> <p>Konstantin K. Mineev, Andrey M. Petrov, Marina V. Votintseva, Igor' D. Stolyarov</p> <p>N.P. Beсhtereva Institute of Human Brain of the Russian Academy of Sciences, St. Petersburg, Russia</p> <p><bold>Introduction.</bold> Impaired ambulation is one of the most common and disabling symptoms in multiple sclerosis (MS). Cognitive impairment occurs in the early stages of MS and worsens as the disease progresses.</p> <p>The <bold>aim</bold> of the study was to investigate the correlation between walking speed and distance and the severity of neurological and cognitive impairment in MS.</p> <p><bold>Materials and methods.</bold> We examined 59 patients with relapsing-remitting MS in clinical remission. Motor function was evaluated using the timed 25-foot walk (mobility and leg function performance test based on a timed 25-walk), the nine-hole peg test was used to assess upper limb motor function, the Ashworth Scale was used to evaluate lower limb spasticity, the EDSS scale (pyramidal function) was used to evaluate gait spasticity, and tests for sustained attention, counting skills, short-term and delayed memory, mathematical logic, speech fluency, and sensorimotor reaction speed were used to assess cognitive function.</p> <p><bold>Results.</bold> In MS, an increased score on the disability scale was accompanied by increased motor disturbances, reduced distance covered when walking, decreased walking speed, and slower hand movements. Increased spasticity was accompanied by a deterioration in cognitive test performance. The study showed a high correlation between spasticity and reduced computational abilities, mathematical logic, and the ability to remember shapes. Walking distance correlated with attention span and short-term and delayed memory while walking speed characteristics correlated with the movement speed of the non-dominant hand. Slower hand activity correlated with the conducted cognitive tests, with the most significant differences recorded in the non-dominant hand.</p> <p><bold>Conclusion. </bold>The study results indicate significant and varied motor and cognitive dysfunction in MS patients, caused by damage to both the conduction pathways in the brain and spinal cord and the cortical grey matter. The obtained data on the close correlation between motor and cognitive impairments allow us to better understand the mechanisms of MS development and to apply this knowledge in clinical practice.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Введение.</bold> Нарушения ходьбы при рассеянном склерозе (РС) являются одними из инвалидизирующих, часто встречающихся симптомов. Когнитивные нарушения возникают на ранних стадиях РС и усугубляются по мере его прогрессирования.</p> <p><bold>Цель </bold>исследования — изучение взаимосвязи скорости и дальности ходьбы и выраженности неврологических и когнитивных нарушений при РС.</p> <p><bold>Материалы и методы.</bold> Обследованы 59 пациентов с ремиттирующим РС в стадии клинической ремиссии. Двигательные функции оценивали с помощью 25-футового теста, моторную способность верхних конечностей — по 9-колышковому тесту, спастичность в нижних конечностях — по шкале Ашворта, спастичность походки — по шкале EDSS (пирамидные функции), когнитивные функции — с помощью тестов на устойчивость внимания, счетные навыки, кратковременную и отсроченную память, математическую логику, беглость речи, скорость сенсомоторных реакций.</p> <p><bold>Результаты.</bold> При РС с увеличением балла по шкале инвалидизации нарастают двигательные нарушения, сокращается дальность преодолеваемой при ходьбе дистанции, уменьшается скорость ходьбы, замедляются действия руками. Нарастание спастичности сопровождается ухудшением показателей выполнения когнитивных тестов. Исследование показало высокую корреляцию спастичности со снижением вычислительных способностей, математической логики и способности запоминать фигуры. Дальность ходьбы имела взаимосвязь с устойчивостью внимания и объемом кратковременной и отсроченной памяти, скоростные характеристики ходьбы — со скоростью движений в недоминантной руке. Замедление действия руками было взаимосвязано с результатами познавательных тестов, наиболее сильные различия зафиксированы в недоминантной руке.</p> <p><bold>Заключение. </bold>Результаты исследования свидетельствуют о значительных и разнонаправленных двигательных и когнитивных нарушениях у больных РС, вызванных поражением как элементов проводниковых систем головного и спинного мозга, так и серого вещества коры головного мозга. Полученные данные тесной взаимосвязи двигательных и когнитивных нарушений позволят более полно представлять механизмы развития РС и использовать их в клинической практике.</p></trans-abstract><kwd-group xml:lang="en"><kwd>multiple sclerosis</kwd><kwd>impaired motor function</kwd><kwd>cognitive dysfunction</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>рассеянный склероз</kwd><kwd>двигательные нарушения</kwd><kwd>когнитивные дисфункции</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Gusev E.I., Boiko A.N., Stolyarov I.D. [Multiple sclerosis]. Moscow, 2015. 448 p. (In Russ.)</mixed-citation><mixed-citation xml:lang="ru">Гусев Е.И., Бойко А.Н., Столяров И.Д. Рассеянный склероз. М., 2015. 448 с.</mixed-citation></citation-alternatives></ref><ref id="B2"><label>2.</label><citation-alternatives><mixed-citation xml:lang="en">Zakharova M.N., ed. 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