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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)
DOI: https://doi.org/10.15407/fz

Fiziologichnyi Zhurnal

is a scientific journal issued by the

Bogomoletz Institute of Physiology
National Academy of Sciences of Ukraine

Editor-in-chief: V.F. Sagach

The journal was founded in 1955 as
1955 – 1977 "Fiziolohichnyi zhurnal" (ISSN 0015 – 3311)
1978 – 1993 "Fiziologicheskii zhurnal" (ISSN 0201 – 8489)
1994 – 2016 "Fiziolohichnyi zhurnal" (ISSN 0201 – 8489)
2017 – "Fiziolohichnyi zhurnal" (ISSN 2522-9028)

Fiziol. Zh. 2017; 63(6): 25-30


ELECTROENCEPHALOGRAPHIC PATTERNS OF DIFFERENTIATING VISUAL STIMULI UNDER AUDITORY DEPRIVATION

L.I. Yukhymenko1, M.Y. Makarchuk1, V.S. Lyzogub2

  1. Kyiv Taras Shevchenko National University
  2. Cherkasy B. Khmelnytsky National University
DOI: https://doi.org/10.15407/fz63.06.025

Abstract

We investigated the EEG patterns and neurodynamics of differentiating visual stimuli in healthy individuals and in persons with auditory deprivation. We found correlation between the indicators of the number of the processed stimuli, the minimum time of response (rs = 0,38) and the power of EEG rhythms while processing information (r= 0,23 – 0,33). The differentiation of visual information in the persons with normal hearing was found to be characterized by synchronic increase of α- and β- wave power at the rear and right temporal cortex areas. The rigidity of EEG-pattern dynamics, the prevalence of low wave range and the desynchronization of α- and β- wave power in the interested parts of the brain were found in the individuals with auditory deprivation. The background EEG-patterns in the investigated individuals with auditory deprivation had lower amplitude compared with that detected in healthy people. Neurodynamic features of the investigated individuals with auditory deprivation were characterized with low speed neurodynamic indicators.

Keywords: Electroencephalogram patterns; differentiating visual stimuli; auditory deprivation

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