The analysis of coherent eeg activity in persons with different profiles of interhemispheric asymmetry during encoding the rhythm patterns

Authors

DOI:

https://doi.org/10.15587/2519-8025.2017.93545

Keywords:

electroencephalography (EEG), coherence, rhythm perception, rhythm patterns, individual asymmetry profile

Abstract

There were studied the changes of coherence of encephalogram of brain cortex in 170 men and women with right-side and left side profiles of auricular asymmetry during auricular perception and manual reproduction (processing) of rhythm patterns. It was established, that the coherence of EEG fluctuations mainly in-creases in θ-, α- and β-diapasons of EEG in temporal, central and parietal zones of cortex during encoding of mono- and poly-phonic rhythm patterns in examined groups. The local decrease of coherence of α- and β-fluctuations was revealed during encod-ing of rhythm patterns in frontal zones, especially in right-profile women and left-profile persons. The cerebral processes at the increase of coherence in studied groups are provided by inte-gration of excitation processes in zones of encoding of sensor and motor information. The decrease of coherent connection between frontal branches demonstrates the decrease of direct-ed influence of pre-frontal cortex on the zones of processing of sensor and motor information at the period of activity of last ones. The role of such changes is more in women with right-side asymmetry profile and in persons with left-side one 

Author Biographies

Olha Pavlovuch, Lesya Ukrainka Eastern European National University Voli ave., 13, Lutsk, Ukraine, 43025

PhD, Head of laboratory

Laboratory of electromyography

Department of Human and Animal Physiology

Olga Abramchuk, Lesya Ukrainka Eastern European National University Voli ave., 13, Lutsk, Ukraine, 43025

PhD, Associate professor

Department of Human and Animal Physiology

Lyudmila Shvarcz, Lesya Ukrainka Eastern European National University Voli ave., 13, Lutsk, Ukraine, 43025

PhD, Associate professor

Department of Human and Animal Physiology

Andrii Andtii Poruchynskyi, Lesya Ukrainka Eastern European National University Voli ave., 13, Lutsk, Ukraine, 43025

PhD, Associate professor, Dean

Department of Human and Animal Physiology

Alevtyna Morenko, Lesya Ukrainka Eastern European National University Voli ave., 13, Lutsk, Ukraine, 43025

Doctor of biological science, Professor, Head of department

Department of Human and Animal Physiology

References

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Published

2017-02-28

How to Cite

Pavlovuch, O., Abramchuk, O., Shvarcz, L., Poruchynskyi, A. A., & Morenko, A. (2017). The analysis of coherent eeg activity in persons with different profiles of interhemispheric asymmetry during encoding the rhythm patterns. ScienceRise: Biological Science, (1 (4), 17–21. https://doi.org/10.15587/2519-8025.2017.93545

Issue

Section

Biological Sciences