FUNCTIONAL ASYMMETRY OF THE BRAIN: PSYCHOPHYSIOLOGICAL ASPECTS
DOI:
https://doi.org/10.11603/bmbr.2706-6290.2021.1.12096Keywords:
functional hemispheric asymmetry, personality, electroencephalography (EEG), right-handed, left-handed, adaptationAbstract
Summary. The relationship in the functioning of the cerebral hemispheres provides adaptive processes, increases reliability in the management of organs and systems of the body. Functional asymmetry of the hemispheres is an important psychophysiological property of the human brain and is considered as one of the conditions necessary for the implementation of the processes of higher nervous activity of the person.
The aim of the study – to present the modern scientific directions of research of interhemispheric asymmetry of a human brain, its psychophysiological, neuroanatomical and neurochemical features for an estimation of structural and functional indicators of various physiological functions of the person.
Materials and Methods. Literature sources on the concept of interhemispheric brain interaction, its psychological significance and influence on the functioning of various processes in the human body and the effectiveness of regulatory mechanisms are analyzed.
Results. An overview of current data on dynamic properties of the cerebral hemispheres functional specialization is presented. Data on neuroanatomical and neurochemical features of the right and left hemispheres are given. Attention is paid to the mechanisms of adaptation in individuals with dominance of one of the hemispheres, on features of interhemispheric asymmetry of right-handed and left-handed people based on the EEG.
Conclusions. The peculiarity of the perception of the external world, the nature of human response and behavior is determined by the inequality of the right and left hemispheres of the brain, combined with the phenomenon of specialization of the hemispheres in the implementation of psychophysiological functions.
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