Hi Zsolt, you can use mri_annotation2label to separate the annotation into labels, then mri_mergelabels to recombine several of them together, then run mris_anatomical_stats on the merged label. doug
On 09/25/2012 08:34 AM, Zsolt Cselényi wrote: > > Hi, > > I would like to find out how to pool parcellation statistics (i.e. > ?.aparc.stats table entries) from several areas into a bigger one. For > example: how to get the pooled statistics for the area “parietal” > which would be made up of “superiorparietal” and “inferiorparietal” > cortical structures? Calculating pooled values for things like > GrayVol, SurfArea seem rather straightforward (by summing of course) > but not so for ThickAvg, ThickStd, MeanCurv, GausCurv, FoldInd and > CurvInd. > > First, should they be pooled using the area or the number of vertices? > > Second, how should they be pooled? For ThickAvg and MeanCurv I guess > it’s an area- (or NumVert- ?) weighted mean and for ThickStd maybe a > NumVert-weighted pooled SD but not sure whether it’s also a (weighted) > mean for GausCurv, FoldInd and CurvInd? > > Please help! > > Thank you, > > Zsolt > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
