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Distribution of DC Potential Level in Foreign Students Arrived in the Conditions of High Latitudes (Arkhangelsk). P. 5–12
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Section: Physiology
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UDC
612.825.1:612.882:574.24:577.352.52:57.045
Authors
Anikina Natalya Yuryevna
Postgraduate Student, Institute of Medical and Biological Research, Northern (Arctic) Federal University named after M.V. Lomonosov
3 proezd Badigina, Arkhangelsk, 163045, Russian Federation;
e-mail: anikinanatalja@yandex.ru
Abstract
The paper studied the distribution of DC potential level (DCPL) in 108 foreign students aged 18 to 21 years from southern or temperate latitudes during their first month of living in the areas equivalent to the Far North. A distribution analysis was performed by mapping the values of DC potential using a unipolar measurement. The characteristics of DCPL distribution of foreign students were compared with those of the control group consisting of Russian students (110 people) born and living in the Arkhangelsk Region. The research found some characteristic features of DCPL distribution in foreign students, such as interhemispheric asymmetry and increased energy expenditure in most parts of the brain. The correlation analysis revealed functional connections between various parts of the brain and found twice as many strong correlations in the control group than in the main one. High correlation coefficients as well as increased total number of correlations in the control group suggest a more rigid and less flexible structure of interconnections in the brain of northerners compared to their peers from southern and temperate latitudes. The greatest number of correlations in the control group was recorded in the right hemisphere, indicating a more intense work of the right hemisphere in students living in high latitudes.
Keywords
foreign students in the Far North, energy expenditure, DC potential level, energy metabolism, adaptation changes
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