> > Under fsaverage/surf there is both an lh.white and an lh.white_avg file, >> while under average/surf there's only lh.white_avg. I repeated the >> mri_surf2surf command above with "--s fsaverage" instead of "--s average" >> (since I understand in this case it's the same thing), and then it ran to >> completion. >> > It should be close but probably not exact.
So if I want to use the study-specific "average" subject surface with mri_surf2surf, rather than the generic "fsaverage" one, how can this be done given that the required ls.white file only exists in the latter but not in the former? Can I just rename (or duplicate) ls.white into ls.white_avg? Also, 1) Doesn't mri_surf2surf also need to be applied to surface of individual study subjects, or only to the (fs)average subject? 2) Shouldn't the input to mri_glmfit be the output of mri_surf2surf? In the group tutorial<http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/GroupAnalysis#GLMAnalysis.28mriglmfit.29>, the former is "lh.gender_age.thickness.*10*.mgh" while the latter is "lh.gender_age.thickness.*10B*.mgh". Or should it just be the unsmoothed output of mris_preproc? 3) Assuming the label files (corresponding to my ROI, and extracted from the Destrieux atlas) are different for each subject, and given mri_glmfit is called just once, for all subjects, which label file (corresponding to what subject) should I point it to? Thanks!
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