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ISSN 2522-9028 (Print)
ISSN 2522-9036 (Online)

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. 2015; 61(3): 90-98


I.V. Redka,1 О.YU. Mayorov1,2,3

  1. V. N. Karazin Kharkiv National University, Ukrane;
  2. Kharkiv Medical Academy, Ukrane Postgraduate Education, Ukrane;
  3. Institute of Health of children and adolescents NAMS of Ukrane


This research aims to study the nonlinear dynamics of the brain electrical activity in the performance of complex auditory-motor choice reaction. The boys with obtained visual dysfunction (n = 27, vis. OS 0,70 ± 0,04, vis. OD 0,56 ± 0,05 with correction) and normal sighted (n = 27) boys aged from 8 to 12 years were examined. Nonlinear parameters such as embedding dimension, correlation dimension, Lyapunov maximum exponent and Kolmogorov-Sinai entropy were determined. The auditory-motor integration are induced the activation of the right occipital area and the deactivation of the left occipital area in boys with obtained visual dysfunction. This is not typical for the sighted boys. The results are discussed in the context of cross-modal plasticity and supramodal brain organization.

Keywords: visual dysfunction, EEG, nonlinear dynamics, auditory-motor integration, cross-modality, supramodality.


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