If you want to combine across subjects, then you need to run the analysis on fsaverage (ie, rerun preproc-sess, create a new analysis, run selxavg3-sess, and then isxconcat-sess). doug
Michelle Umali wrote: > Dear Freesurfers, > I've generated individual polar, eccentricity, and fieldsign maps for > each of my subjects. I would like to generate group average maps of > these that I can visualize on the fsaverage brain. > > When I ran: > isxconcat-sess -sf sessid -analysis rtopy.self.lh -o group_lh > > I got: > ERROR: analysis space is self surface, not supported > > How do I do a group average for the 3 different maps? > > Thanks. > Michelle > > For each person I ran recon-all and flattened occipital patches. > Then: > mkanalysis-sess -a rtopy.self.lh -surface self lh -TR 2 -retinotopy 48 > -paradigm rtopy.par -nskip 4 -fwhm 0 -fsd bold -force > mkanalysis-sess -a rtopy.self.rh -surface self rh -TR 2 -retinotopy > 48 -paradigm rtopy.par -nskip 4 -fwhm 0 -fsd bold -force > > preproc-sess -surface self lhrh -fwhm 5 -per-run -s sjXX -fsd bold -force > > selxavg3-sess -a rtopy.self.lh -s sjXX -force > selxavg3-sess -a rtopy.self.rh -s sjXX -force > > fieldsign-sess -a rtopy.self.lh -occip -fwhm 20 -s sjXX > fieldsign-sess -a rtopy.self.rh -occip -fwhm 20 -s sjXX > > ------------------------------------------------------------------------ > > _______________________________________________ > 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.