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SPATIAL ORGANIZATION OF BIOELECTRICAL ACTIVITY OF THE BRAIN DURING COGNITIVE ACTIVITY IN STUDENTS FROM RUSSIA AND VIETNAM WITH DIFFERENT SITUATIONAL ANXIETY

Biological Sciences , UDC: [612.821.3:159.99]-057.875(045) DOI: 10.24412/2076-9091-2026-363-144-165

Authors

  • Chan Chang Thu Ph.D. (Pedagogy), master's Student, Teachers’ Training Institute of Physical Culture and Sports, MCU, master of sports of the USSR, head teacher of secondary school № 709. E-mail: 7293987@mail.ru Russian Federation Arkhangelsk
  • Zvyagina Natalya Vasilievna Ph.D. (Pedagogy), master's Student, Teachers’ Training Institute of Physical Culture and Sports, MCU, master of sports of the USSR, head teacher of secondary school № 709. E-mail: 7293987@mail.ru Russian Federation Arkhangelsk
  • Taleeva Anna Ilyinichna Ph.D. (Pedagogy), master's Student, Teachers’ Training Institute of Physical Culture and Sports, MCU, master of sports of the USSR, head teacher of secondary school № 709. E-mail: 7293987@mail.ru Russian Federation Arkhangelsk
  • Klykov Anton Vladimirovich Ph.D. (Pedagogy), master's Student, Teachers’ Training Institute of Physical Culture and Sports, MCU, master of sports of the USSR, head teacher of secondary school № 709. E-mail: 7293987@mail.ru Russian Federation Arkhangelsk

Annotation

The study examined the features of bioelectric activity in the brain of 80 stu- dents (23 males, 57 females, aged 18–22) from Russia and Vietnam, taking into account gender and the level of situational anxiety. We analyzed the dynamics of the total cross-cor- relation coefficient in the background state and during cognitive activity, such as mental coun ting. In all the subjects, changes in the average values of the cross-correlation coef- ficients within and between the hemispheres of the brain were detected during cogni- tive activity, with localization in the frontal, central, and parietal regions of the cortex, and with specific interactions between these regions in individuals of different ethnic groups and genders. In Russian students, mental counting is accompanied by increased synchronization of the EEG in the right hemisphere in these regions, while in Vietnamese students, both hemispheres are involved in the activity. In girls, there is a reliable formation of various long and short statistical relationships: in Russian students, there is an intra- hemispheric relationship: symmetrically between the frontal, central, and parietal regions; asymmetrically between the middle temporal and occipital regions on the left, and between the frontal and temporal regions on the right; in Vietnamese students, there is a minimization of the number of cortical regions with synchronized BEA. The study also revealed the fea- tures of synchronization of bioelectric activity in the brain of representatives of different ethnic groups, taking into account the level of situational anxiety. In Russian students, during cognitive activity, compared to the background, an increase in the level of anxiety is observed in the trend of regional expansion of integrations of cortical areas of the brain along the fronto-occipital axis without involving the temporal areas. In Vietnamese students, depending on the level of anxiety, there is a shift in the processes of EEG synchronization to the right hemisphere, while in representatives with low and high anxiety, there is a mini- mization of synchronously working cortical areas.
Tags:
anxiety level , bioelectric activity of the brain , cognitive activity , electroencephalography , situational anxiety , Студент.

How to link insert

Chan, C. T., Zvyagina, N. V., Taleeva, A. I. & Klykov, A. V. (2026). SPATIAL ORGANIZATION OF BIOELECTRICAL ACTIVITY OF THE BRAIN DURING COGNITIVE ACTIVITY IN STUDENTS FROM RUSSIA AND VIETNAM WITH DIFFERENT SITUATIONAL ANXIETY Bulletin of the Moscow City Pedagogical University. Series "Pedagogy and Psychology", 3 (63), 144-165. https://doi.org/10.24412/2076-9091-2026-363-144-165
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