ELECTROENCEPHALOGRAPHIC PATTERNS OF DIFFERENTIATING VISUAL STIMULI UNDER AUDITORY DEPRIVATION
L.I. Yukhymenko1, M.Y. Makarchuk1, V.S. Lyzogub2
- Kyiv Taras Shevchenko National University
- Cherkasy B. Khmelnytsky National University
DOI: https://doi.org/10.15407/fz63.06.025
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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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