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Influence of signal preprocessing on ICA-based EEG decomposition

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Zakeri, Z., Assecondi, S., Bagshaw, A. P. and Arvanitis, Theodoros N. (2014) Influence of signal preprocessing on ICA-based EEG decomposition. In: XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013, Seville, Spain, 25-28 Sept 2013. Published in: XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013, Volume 41 pp. 734-737. ISBN 9783319008455. ISSN 1680-0737. doi:10.1007/978-3-319-00846-2_182

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Official URL: http://dx.doi.org/10.1007/978-3-319-00846-2_182

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Abstract

Independent Component Analysis (ICA) has been widely used for analysis of EEG data and separating brain and non-brain sources from the EEG mixture. In this study, we compared decomposition results of the most commonly applied ICA algorithms: AMICA, Extended-Infomax, Infomax and FastICA. We examined 12 conditions of EEG data pre-processing, and assessed the independence and physiological plausibility of the recovered components. The results demonstrate that, in general, there were no significant differences in the decomposition results, while data pre-processing choices had a much more pronounced effect. In conclusion the efficiency of the ICA decompositions is highly dependent on the pre-processing steps applied to the EEG data submitted to ICA, rather than type of ICA applied.

Item Type: Conference Item (Paper)
Divisions: Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)
Series Name: IFMBE Proceedings
Journal or Publication Title: XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013
Publisher: Springer International Publishing
ISBN: 9783319008455
ISSN: 1680-0737
Book Title: XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013
Official Date: 2014
Dates:
DateEvent
2014Published
Volume: Volume 41
Page Range: pp. 734-737
DOI: 10.1007/978-3-319-00846-2_182
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Conference Paper Type: Paper
Title of Event: XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013
Type of Event: Conference
Location of Event: Seville, Spain
Date(s) of Event: 25-28 Sept 2013

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