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A graphical user interface for infant ERP analysis
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2014 (English)In: Behavior Research Methods, ISSN 1554-351X, E-ISSN 1554-3528, Vol. 46, no 3, 745-757 p.Article in journal (Refereed) Published
Abstract [en]

Recording of event-related potentials (ERPs) is one of the best-suited technologies for examining brain function in human infants. Yet the existing software packages are not optimized for the unique requirements of analyzing artifact-prone ERP data from infants. We developed a new graphical user interface that enables an efficient implementation of a two-stage approach to the analysis of infant ERPs. In the first stage, video records of infant behavior are synchronized with ERPs at the level of individual trials to reject epochs with noncompliant behavior and other artifacts. In the second stage, the interface calls MATLAB and EEGLAB (Delorme & Makeig, Journal of Neuroscience Methods 134(1):9-21, 2004) functions for further preprocessing of the ERP signal itself (i.e., filtering, artifact removal, interpolation, and rereferencing). Finally, methods are included for data visualization and analysis by using bootstrapped group averages. Analyses of simulated and real EEG data demonstrated that the proposed approach can be effectively used to establish task compliance, remove various types of artifacts, and perform representative visualizations and statistical comparisons of ERPs. The interface is available for download from http://www.uta.fi/med/icl/methods/eeg.html in a format that is widely applicable to ERP studies with special populations and open for further editing by users.

Place, publisher, year, edition, pages
2014. Vol. 46, no 3, 745-757 p.
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URN: urn:nbn:se:uu:diva-276462DOI: 10.3758/s13428-013-0404-4PubMedID: 24264591OAI: oai:DiVA.org:uu-276462DiVA: diva2:903083
Available from: 2016-02-13 Created: 2016-02-13 Last updated: 2016-02-15Bibliographically approved

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Forssman, Linda
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