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Authors: Mojisola Asogbon 1 ; 2 ; Oluwarotimi Samuel 1 ; 2 ; Farid Meziane 1 ; 2 ; Guanglin Li 3 and Yongcheng Li 3

Affiliations: 1 School of Computing, University of Derby, Derby, DE22 3AW, U.K. ; 2 Data Science Research Centre, University of Derby, Derby DE22 3AW, U.K. ; 3 CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institutes of Advanced Technology (SIAT), Chinese Academy of Sciences (CAS), Shenzhen, Guangdong, China

Keyword(s): Electroencephalogram (EEG), Signal Processing, Artifact Removal Methods, Motor Recovery.

Abstract: The significant advancements in electroencephalography (EEG)-driven technology have led to its widespread use in assessing stroke-related conditions. Over the years, various studies have explored the potential of EEG oscillatory patterns in neurological research, with several of them giving limited attention to the signal processing techniques employed, precluding a proper understanding of EEG oscillatory patterns under various conditions. To resolve this issue, we systematically investigated how artifacts impact EEG oscillatory rhythms associated with upper limb movement-related tasks. Thus, the EEG signals of motor tasks were acquired non-invasively from healthy subjects and processed using automated artifact-attenuation methods. Subsequently, the Mu and Beta bands in the brain’s motor cortex region were extracted through time-frequency analysis and analyzed using relevant metrics. Experimental results revealed that artifacts in EEG would substantially influence the brain activatio n strength and response during motor tasks. Notably, signals preprocessed with Reduction of Electroencephalographic Artifacts based on Multi Wiener Filter and Enhanced Wavelet Independent Component Analysis (RELAX_MWF_wICA) showed better brain responses and high task classification performance compared to other methods and the raw signal across motor tasks. This study’s findings revealed that the choice of signal processing technique is crucial, as it would influence its analysis and interpretation, thus highlighting the need for careful consideration and usage. (More)

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Paper citation in several formats:
Asogbon, M.; Samuel, O.; Meziane, F.; Li, G. and Li, Y. (2024). Investigation of Artifact Contamination Impact on EEG Oscillations Towards Enhanced Motor Function Characterization. In Proceedings of the 17th International Joint Conference on Biomedical Engineering Systems and Technologies - BIOSIGNALS; ISBN 978-989-758-688-0; ISSN 2184-4305, SciTePress, pages 755-762. DOI: 10.5220/0012373400003657

@conference{biosignals24,
author={Mojisola Asogbon. and Oluwarotimi Samuel. and Farid Meziane. and Guanglin Li. and Yongcheng Li.},
title={Investigation of Artifact Contamination Impact on EEG Oscillations Towards Enhanced Motor Function Characterization},
booktitle={Proceedings of the 17th International Joint Conference on Biomedical Engineering Systems and Technologies - BIOSIGNALS},
year={2024},
pages={755-762},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0012373400003657},
isbn={978-989-758-688-0},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the 17th International Joint Conference on Biomedical Engineering Systems and Technologies - BIOSIGNALS
TI - Investigation of Artifact Contamination Impact on EEG Oscillations Towards Enhanced Motor Function Characterization
SN - 978-989-758-688-0
IS - 2184-4305
AU - Asogbon, M.
AU - Samuel, O.
AU - Meziane, F.
AU - Li, G.
AU - Li, Y.
PY - 2024
SP - 755
EP - 762
DO - 10.5220/0012373400003657
PB - SciTePress