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Simultaneous EEG and fMRIRecording, Analysis, and Application$
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Markus Ullsperger and Stefan Debener

Print publication date: 2010

Print ISBN-13: 9780195372731

Published to Oxford Scholarship Online: May 2010

DOI: 10.1093/acprof:oso/9780195372731.001.0001

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EEG-Informed fMRI Analysis

EEG-Informed fMRI Analysis

(p.153) 3.3 EEG-Informed fMRI Analysis
Simultaneous EEG and fMRI

Markus Ullsperger

Oxford University Press

This chapter gives an overview of data integration methods for simultaneous EEG-fMRI, in which EEG features are extracted and used to parametrically model the fMRI data. Up to now, variants of EEG-informed fMRI analysis have been most widely and successfully applied. After a brief discussion of the rationale of this approach, its variants for ongoing and event-related EEG phenomena are explained. Studies applying EEG-informed fMRI are reviewed. The advantage of denoising methods such as independent component analysis allowing single-trial quantifications of the EEG phenomena of interest is discussed. To allow clear interpretations of covariations between electrophysiological and hemodynamic measures, further dependent variables such as behavioral data should be taken into account. The chapter closes with an outlook on future questions and ongoing methodological developments.

Keywords:   simultaneous EEG-fMRI, EEG-informed fMRI, single-trial analysis, independent component analysis

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