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Neuroimage. 2008 Oct 1;42(4):1490-8. doi: 10.1016/j.neuroimage.2008.06.022. Epub 2008 Jun 27.

Electromagnetic source reconstruction for group studies.

Author information

1
The Wellcome Trust Centre for Neuroimaging, University College London, UK. v.litvak@ion.ucl.ac.uk

Abstract

The aim of this paper is to describe a simple procedure for electromagnetic (EEG or MEG) source reconstruction, in the context of group studies. This entails a simple extension of existing source reconstruction techniques based upon the inversion of hierarchical models. The extension ensures that evoked or induced responses are reconstructed in the same subset of sources, over subjects. Effectively, the procedure aligns the deployment of reconstructed activity over subjects and increases, substantially, the detection of differences between evoked or induced responses at the group or between-subject level.

PMID:
18639641
PMCID:
PMC2581487
DOI:
10.1016/j.neuroimage.2008.06.022
[Indexed for MEDLINE]
Free PMC Article

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