Wavelet based Method of Mapping the Brain Activity Waves Travelling over the Cerebral Cortex

Bozhokin Sergey, Suslova Irina, Tarakanov Daniil

2022

Abstract

The brain electroencephalogram is treated as a set of electrical activity bursts in various spectral ranges. Spectral integrals calculated by the wavelet transform method are used to study time-frequency properties of such bursts. The mathematical theory has been developed to describe quantitatively the change in the shape of EEG bursts while their propagating along the cerebral cortex. The proposed model of neural activity uses nonlinear approximation of EEG record as a sum of several Gaussian peaks moving along different trajectories with different speeds. Such model together with the continuous wavelet transform provides an opportunity to receive analytical solutions. The proposed method allows us to draw the maps showing the trajectories of EEG bursts moving along the cerebral cortex. It also becomes possible to study the change in the shape of bursts in the process of their motion. The method was applied to study EEG records of a healthy subject at rest with his eyes closed.

Paper Citation

in Harvard Style

Sergey B., Irina S. and Daniil T. (2022). Wavelet based Method of Mapping the Brain Activity Waves Travelling over the Cerebral Cortex. In Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2022) - Volume 4: BIOSIGNALS; ISBN 978-989-758-552-4, SciTePress, pages 63-73. DOI: 10.5220/0010888000003123

in Bibtex Style

@conference{biosignals22,
author={Bozhokin Sergey and Suslova Irina and Tarakanov Daniil},
title={Wavelet based Method of Mapping the Brain Activity Waves Travelling over the Cerebral Cortex},
booktitle={Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2022) - Volume 4: BIOSIGNALS},
year={2022},
pages={63-73},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010888000003123},
isbn={978-989-758-552-4},
}

in EndNote Style

TY - CONF

JO - Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2022) - Volume 4: BIOSIGNALS
TI - Wavelet based Method of Mapping the Brain Activity Waves Travelling over the Cerebral Cortex
SN - 978-989-758-552-4
AU - Sergey B.
AU - Irina S.
AU - Daniil T.
PY - 2022
SP - 63
EP - 73
DO - 10.5220/0010888000003123
PB - SciTePress