UDC

612.82+612.843.7

DOI

10.17238/issn2542-1298.2019.7.4.487

Authors

Lidiya P. Kalinina* ORCID: 0000-0001-5219-6912
Aleksandr G. Kuz’min** ORCID: 0000-0001-6403-5059
*“Tochka Zreniya” Eye Center (Arkhangelsk, Russian Federation)
**Vologda State University (Vologda, Russian Federation)
Corresponding author: Lidiya Kalinina, address: ul. Komsomol’skaya 47, Arkhangelsk, 163072, Russian Federation; e-mail: lidiakalinina@yahoo.com

Abstract

Using the 21-channel EEG system Neuron-Spectrum-4 (Russia), this paper studies visual-motor reaction parameters and visual event-related potentials in 449 schoolchildren aged 7–17 years living in Arkhangelsk. We identified a statistically significant positive correlation between P2 latency and response time: with decreasing latency of the P2 peak (which indicates improvement in perception of the stimulus), the time from the presentation of a signal to the response decreases, and vice versa. Further, the linear regression analysis showed a slight negative correlation between the P2 amplitude and omission response to rare stimuli: with increasing amplitude of the P2 peak (which indicates activation of the perception process), the number of omissions of significant stimuli may decrease. It was assumed that the visual-motor reaction time and accuracy can be one of the correlates of the P2 peak and reflect the maturity of perception processes in children.

Keywords

schoolchildren, visual-motor reaction, visual event-related potentials, European North of Russia

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