В статье представлен обзор литературы, касающейся природы и свойств негативного отклонения связанных с событием
потенциалов N2pc. Как правило, этот латерализованный компонент возникает спустя 180–300 мс после начала предъявления
зрительного стимула и вычисляется как разница между мозговыми ответами, регистрируемыми в контралатеральных парието-
окципитальных отведениях обоих полушарий. На сегодняшний день N2pc служит надежным индикатором вовлечения когнитивных
ресурсов мозга в процесс идентификации местоположения цели. Изначально предполагалось, что N2pc отражает процесс
подавления влияния нерелевантных стимулов в ходе восприятия, но впоследствии возникли и иные точки зрения на его
функциональную роль, поскольку появились данные о его связи с процессами, обеспечивающими не только фильтрацию
дистракторов, но и собственно обработку целевого стимула. Кроме того, особенности возникновения данного компонента
позволяют исследовать механизмы развертывания внимания как у людей, так и у животных. N2pc нашел свое применение и в
изучении внимания у людей с различными психическими и физическими расстройствами.
Ключевые слова:
внимание, N2pc, связанные с событием потенциалы (ССП), латерализованные ССП, релевантный стимул, параллельный поиск,
последовательный поиск, фильтрация, цель, дистрактор, селективность внимания
DOI: 10.31857/S0235009222020068
Цитирование для раздела "Список литературы":
Столетний А. С., Алексеева Д. С., Бабенко В. В., Анохина П. В., Явна Д. В.
Компонент n2pc в исследованиях зрительного внимания.
Сенсорные системы.
2022.
Т. 36.
№ 2.
С. 109–123. doi: 10.31857/S0235009222020068
Цитирование для раздела "References":
Stoletniy A. S., Alekseeva D. S., Babenko V. V., Anokhina P. V., Yavna D. V.
Komponent n2pc v issledovaniyakh zritelnogo vnimaniya
[Component n2pc in studying visual attention].
Sensornye sistemy [Sensory systems].
2022.
V. 36(2).
P. 109–123
(in Russian). doi: 10.31857/S0235009222020068
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