might be better to draw it on fsaverage and then propagate it to the other subjects, but both would work.
Bruce Fischl wrote: > Hi Stephan, > > I guess you could draw the ROI in one subject at the appropriate tal > coords, use mri_label2label to map it across subject using the tal xform, > then sample it onto the surfaces of each subject. > > cheers > Bruce > > > On Thu, 23 Jul 2009, Stephen Towler wrote: > > >> (Looks as if the text of my original email didn't make it to the post. >> Here it is again:) >> >> We want to extract a spherical ROI of cortical thickness values >> centered at the same Talairach coordinate for each brain in a study. >> Any suggestions? In the 2007 archives there is an instructive thread >> about declaring spherical ROIs on a volume, but I'm not clear about >> how we would place the initial point at the same Talairach coordinate >> in every participant. >> >> Thanks, >> Stephen >> >> -- >> >> Stephen Towler >> Graduate Student, Neuropsychology >> Dept. Clinical and Health Psychology >> >> stow...@phhp.ufl.edu >> calendar: http://cli.gs/9nvvDL >> 352-273-8715 lab (Shands G078) >> 352-273-6015 lab (HPNP) >> 352-682-5231 mobile >> 352-273-6156 fax >> >> Price Lab >> PO Box 100165 >> 101 S. Newell Drive >> University of Florida >> Gainesville, FL 32610 >> >> >> >> >> >> >> On Jul 22, 2009, at 9:54 AM, Stephen Towler wrote: >> >> >> _______________________________________________ >> Freesurfer mailing list >> Freesurfer@nmr.mgh.harvard.edu >> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >> >> >> >> > _______________________________________________ > 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 In order to help us help you, please follow the steps in: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
