Robustifying EEG data analysis by removing outliers

Matthias Krauledat, Guido Dornhege, Benjamin Blankertz, Klaus Robert Müller

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Biomedical signals such as EEG are typically contaminated by measurement artifacts, outliers and non-standard noise sources. We propose to use techniques from robust statistics and machine learning to reduce the influence of such distortions. Two showcase application scenarios are studied: (a) Lateralized Readiness Potential (LRP) analysis, where we show that a robust treatment of the EEG allows to reduce the necessary number of trials for averaging and the detrimental influence of e.g. ocular artifacts and (b) single trial classification in the context of Brain Computer Interfacing, where outlier removal procedures can strongly enhance the classification performance.

Original languageEnglish
Title of host publicationChaos and Complexity
Subtitle of host publicationNew Research
PublisherNova Science Publishers, Inc.
Pages251-266
Number of pages16
ISBN (Print)9781604568417
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Mathematics(all)

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    Krauledat, M., Dornhege, G., Blankertz, B., & Müller, K. R. (2009). Robustifying EEG data analysis by removing outliers. In Chaos and Complexity: New Research (pp. 251-266). Nova Science Publishers, Inc..