External Email - Use Caution Hi Douglas,
thanks for you answer. I have attached the file to the email. On Mon, Oct 7, 2019 at 5:24 PM Greve, Douglas N.,Ph.D. < dgr...@mgh.harvard.edu> wrote: > Let's backup a moment. Can you send the y.ocn.dat file that has > problematic values? > > On 10/4/2019 4:58 AM, Jose Graterol wrote: > > External Email - Use Caution > Dear Freesurfer Experts, > > I would appreciate your help. I will explain first what I have done and > where my problem is. > > I want to measure the cortical thickness in stroke patients. Therefore I > followed Douglas' instructions provided in this link > <https://www.mail-archive.com/search?l=freesurfer@nmr.mgh.harvard.edu&q=subject:%22%5C%5BFreesurfer%5C%5D+flipping+surface+data%22&o=newest&f=1>to > join both affected hemispheres (left or right, depending on the patient) > and to analyze them with xhemi. > > After mri_glmfit and mri_glmfit-sim (--cwpvalthresh 0,05 --cache 4 > abs/neg) have run I obtained 2 significant clusters. One in the precentral > area, which I am interested in. When I check the *abs/neg.y.ocn.dat file > the values are all -0.XXXX. If I understood it correctly, those should be > cortical thickness values in mm, making those values implausible. For that > reason I made a label of that cluster using the autofill option from > tksurfer. The idea was to obtain the mean cortical thickness using > mris_anatomical_stats after mapping the label to the subjects. > > Now my questions, what would be the best method to map the label created > from the fsaverage_sym space to the subject space? Or just simply, is this > the right way to do this? or should I check why I am obtaining those values > in the *y.ocn.dat file? > > Thanks in advance. > > Kind Regards > > José Graterol > > _______________________________________________ > Freesurfer mailing > listfreesur...@nmr.mgh.harvard.eduhttps://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
cache.th40.neg.y.ocn.dat
Description: Binary data
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