Thanks for the replay, Nick! On Monday 27 October 2008 16:48:26 Nick Schmansky wrote: > Martin, > > To answer question 1, the fsaverage surface is used as a target surface > to which the data (ie thickness) of each subject in the group is sampled > and then smoothed, so the accuracy of the recon of the fsaverage subject > itself is not relevant to accuracy of the group analysis.
Thanks, it's clear now. > > For 2., unfortunately, the only way to get qdec to recognize ?h.pial_lgi > is via the 'hack' that you mention: renaming the files as 'thickness'. > A feature to be added to qdec is the reading of a text configuration > file to allow selection of arbitrary surface data files into the qdec > menu. Actually, I think I might implement that feature this week, as I > hate that hack Sorry, I could not come up with something more pleasant. :D > , and can post this version of qdec for you if you want. That would be great, though I do not want to press you! > For 3., I think you are in new territory here, the first to do this, so > you will have to experiment. Although 0mm smoothing, as you suggest, > seems reasonable. OK. I'll give it a try! Thanks, Martin _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer