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Sex-Related Characteristics of Visual Cognitive Evoked Potentials in Schoolchildren Aged 13–18 Years. P. 64–71

Версия для печати

Section: Biology

UDC

159.91-053.6:612.82-053.6

Authors

Kozlova Polina Igorevna
Postgraduate Student, Institute of Medical and Biological Research, Northern (Arctic) Federal University named after M.V. Lomonosov (Arkhangelsk, Russia)
e-mail: Appolinariya3@yandex.ru
Dzhos Yuliya Sergeevna
Institute of Medical and Biological Research, Northern (Arctic) Federal University named after M.V. Lomonosov (Arkhangelsk, Russia)
e-mail: u.jos@narfu.ru

Abstract

The paper presents the results of tests on visual cognitive evoked potentials in 379 students aged 13–18 years (214 girls and 165 boys). The latency of P2 component in visual cognitive evoked potentials was statistically significantly higher among boys in all areas of the brain. Values of P2, N2 and Р300 amplitudes prevail in girls (p < 0.01). A statistically significant increase in P2 amplitude peak was detected in the central-parietal-temporal region of the right hemisphere and fronto-central-parietal-temporal area of the left hemisphere. N2 amplitude peak was increased in the frontal leads of both hemispheres of the brain. Higher amplitude of Р300 was recorded in the fronto-temporal areas of both hemispheres.

Keywords

students aged 13–18 years, visual cognitive evoked potentials, neurophysiological methods, brain bioelectrical activity
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