On 02/25/2014 08:34 PM, charujing123 wrote: > Hidoug, > Thanks doug. > For 1st question,I want to reduce the search space of vertex-wise > analysis to a cluster. Extract the cluster that you want from the ocn to create a mask, eg, to get cluster2 mri_binarize --i ocn.mgh --match 2 --o cluster2.mgh The run mri_glmfit with --mask cluster2.mgh Then run mri_glmfit-sim with simulation
> For 2nd question, i try freeview as tksurfer cannot work. However this > website cannot be logged > in:http://surfer.nmr.mgh.harvard.edu/fswiki/FreeviewGuide/FreeviewTools/RoiEdit. try http://surfer.nmr.mgh.harvard.edu/fswiki/FreeviewGuide > Thanks. > All the best. > Rujing Zha > 2014-02-26 > ------------------------------------------------------------------------ > charujing123 > ------------------------------------------------------------------------ > *发件人：*Douglas Greve <gr...@nmr.mgh.harvard.edu> > *发送时间：*2014-02-25 23:46 > *主题：*Re: [Freesurfer] questions about ROI analysis > *收件人：*"freesurfer"<freesurfer@nmr.mgh.harvard.edu> > *抄送：* > > On 2/25/14 10:09 AM, Rujing Zha wrote: >> Hi FS experts and others, >> I have done two group thickness difference analysis based on whole >> brain. Now I want to do correlation analysis between specific ROI >> thickness and behavior score. I searched roi in the FS website, but I >> cannot distinguish the volume ROI and surface ROI very clearly. So I >> have some questions as below: >> 1,As I get some clusters in the two group t-test,I want to use one of >> these clusters to correlate thickness with behavior score. How to >> generate this mask and how to use this mask in the mri_glmfit and >> mri_glmfit-sim? > Do you mean you want to reduce the search space of a vertex-wise > analysis to a cluster or that you want to compute the mean thickness > within the cluster and correlate with your behavioral score? >> 2,If I want to draw ROI manually or set ROI according previous >> studies, how to create this ROI mask. > tksurfer can draw a label (as can freeview I think) > >> Any detailed information will be highly appreaciated. >> Thanks. >> All the best. >> Rujing Zha >> >> >> >> >> _______________________________________________ >> 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 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: https://gate.nmr.mgh.harvard.edu/filedrop2 www.nmr.mgh.harvard.edu/facility/filedrop/index.html Outgoing: ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/ _______________________________________________ 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.
