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Spatiotemporal group ICA applied to fMRI datasets

Kohler, Christian ; Keck, Ingo R. ; Gruber, Peter ; Lie, Chuh-Hyoun ; Specht, Karsten ; Tomé, A. M. ; Lang, Elmar



Abstract

Exploratory data analysis techniques such as independent component analysis (ICA) do not depend on a priori hypotheses and are able to detect unknown, yet structured spatiotemporal processes in neuroimaging data. We present fMRI data of two different subject-groups (young and old), which performed a modified Wisconsin Card Sorting Test (WCST). Spatiotemporal ICA and SPM-generated brain maps of ...

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