[Mne_analysis] Matching the FreeSurfer average brain with head shape measurements

Tal Linzen tal.linzen at gmail.com
Wed May 25 23:53:54 EDT 2011
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Hi all,

I need to analyze data from subjects I don't have structural MRIs for.
Section 7.19 in the MNE manual suggests that "in some cases" the FreeSurfer
average brain can be used instead of a structural MRI. However, the average
brain is not transformed to fit the head shape measurements, which may pose
a problem if the subject's brain isn't the same size as the average brain.
Is there a way to apply this transformation? How big of a difference will it
make? And in general, is there any work discussing the impact of using the
average brain on the accuracy of localization?

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