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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. 2020; 66(2-3): 51-60


N.O. Vasylieva

    Kherson State University, Ukraine


Changes in the electrical activity of boys with different temporhythmic speech characteristics when opening their eyes were found. In children with logoneurosis the features of immaturity of cortical-subcortical interactions are revealed. Specific changes in the amplitude and relative spectral power of brain electrical activity were observed in boys with logoneurosis and without speech impairment in response to light activation. The reactivity and functioning of the brainstem’s activation system also decreased. Changes in the tempo and rhythm of speech in pre-school boys provoke stresses in the brain’s regulatory mechanisms, which are manifested by specific characteristics of brain electrical activity both at rest and when eyes are opened. In boys with logoneurosis, the features of rhythm assimilation in the low-frequency range were revealed. Thus, the response to light activation in boys with logoneurosis was insignificant, which is likely due to the insufficient inhibitory action of the cortex on the subcortical structures.

Keywords: logoneurosis; electroencephalogram amplitude, normalized spectral power of electroencephalogram; eye opening; pre-school boys.


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