RUDN Journal of Psychology and PedagogicsRUDN Journal of Psychology and PedagogicsВестник Российского университета дружбы народов. Серия: Психология и педагогика2313-16832313-1705Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)4150410.22363/2313-1683-2024-21-1-328-339TZIZUVCURRENT TRENDS IN PERSONALITY RESEARCHСОВРЕМЕННЫЕ ТЕНДЕНЦИИ РАЗВИТИЯ ИССЛЕДОВАНИЙ ЛИЧНОСТИShort CommunicationA Region of Interest Analysis Focusing on the Insular and Cingulate CorticesАнализ области интереса, сфокусированный на островковой и поясной кореhttps://orcid.org/0000-0002-0986-7896572234362618038-5980KouzalisAlexiosКузалисАлексиос

Doctoral student, Doctoral School of Psychology

аспирант, аспирантская школа по психологии

alexiskouzalis@gmail.comhttps://orcid.org/0000-0002-5054-1177572052346115277-4559ErshovaRegina VyacheslavovnaЕршоваРегина Вячеславовна

Sci. Doctor in Psychology, Professor, Professor of Psychology and Pedagogy Department

доктор психологических наук, профессор, профессор кафедры психологии и педагогики

ershova-rv@rudn.ruHSE UniversityВысшая школа экономикиRUDN UniversityРоссийский университет дружбы народов10112024211VOL 21, NO1 (2024)ТОМ 21, №1 (2024)32833910112024Copyright ©; 2024, Kouzalis A., Ershova R.V.Copyright ©; 2024, Кузалис А., Ершова Р.В.2024Kouzalis A., Ershova R.V.Кузалис А., Ершова Р.В.https://creativecommons.org/licenses/by-nc/4.0https://journals.rudn.ru/psychology-pedagogics/article/view/41504

The insula is a brain region located on the lateral part of the brain. Previous findings show that the insula serves as a multimodal hub through which information is transmitted. In a recent group level analysis the insula, the anterior cingulate and the cingulate gyrus were found to be marked with prevalent clusters. In this study an attempt is made to confirm these findings and evaluate their significance by conducting a region of interest analysis (ROI). A group of 20 participants underwent an fMRI scan while solving mathematical problems of various degrees of difficulty. After the completion of each problem, they were asked to rate the difficulty of the current task from one to four (one corresponding to “very easy” and four corresponding to “very difficult”). The fMRI scanner was used to collect brain signal during the mathematical cognition and also the metacognition phase of the experiment. Signal corresponding to brain activation for each task was analyzed from various areas by conducting an ROI analysis and a t-test was used to determine the level of significance. Brain regions that were shown to be active in the group level analysis (right insula, left anterior cingulate and left/right middle frontal gyri) were confirmed to be active by the ROI analysis.

Островок - это участок мозга, расположенный в его латеральной части. Результаты предыдущих исследований показывают, что островок служит мультимодальным узлом, через который передается информация. В проведенном нами ранее групповом анализе было обнаружено, что островковая доля, передняя поясная извилина и поясная извилина являются преобладающими кластерами в метапознании. В настоящем исследовании предпринята попытка подтвердить эти результаты и оценить их значимость с использованием метода анализа области интереса (region of interest analysis, ROI). Группа из 20 участников прошла фМРТ-сканирование при решении математических задач различной степени сложности. После решения каждой задачи им предлагалось оценить сложность текущего задания от одного до четырех (один соответствует «очень легко», а четыре - «очень сложно»). Сканер фМРТ использовался для сбора сигналов мозга во время математического счета, а также на этапе решения метапознавательных задач. Сигнал из различных областей, соответствующий активации мозга для каждой задачи, анализировался путем проведения ROI, а для определения уровня значимости различий использовался t-тест. Активность областей мозга, обнаруженных при групповом анализе (правая островковая доля, левая передняя поясная извилина и левая/правая средняя лобная извилина), была подтверждена с помощью анализа ROI.

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