Hi doug, Not a huge difference. It does not alter the subsequent cluster. thanks for the clarification though... shantanu
On Wed, June 13, 2012 4:48 pm, Douglas N Greve wrote: > How big? They use different programs so, depending on how big, it might > just be a precision issue. > > On 06/13/2012 04:38 PM, Shantanu Ghosh wrote: >> hi doug, >> i notice slight differences in numbers when using fscalc vs. fscalc.fsl >> for calculating the z-score map\ I am just curious why it may happen >> thanks in advance, >> shantanu >> >> >> >> On Wed, June 13, 2012 3:31 pm, Douglas N Greve wrote: >>> Use mris_preproc to collect your normal subjects into a single file. >>> Then use mri_concat to compute the mean and stddev of your normals >>> mri_concat file.mgh --mean mean.mgh >>> mri_concat file.mgh --std std.mgh >>> Then compute a z-score for your subject (after transforming to >>> fsaverage >>> space): >>> fscalc subject.mgh sub mean.mgh div std.mgh -o z.mgh >>> Visualize >>> tksurfer fsaverage lh inflated -overlay z.mgh >>> >>> >>> >>> >>> On 06/13/2012 11:26 AM, Shantanu Ghosh wrote: >>>> Hi FS experts, >>>> >>>> Sorry if this is a newbie question. >>>> >>>> I want to display how an individual patient's crtical thickness varies >>>> from the normal group average, vertex-by-vertex. What is the >>>> commandline >>>> to do that? I want to display the overlay on MNI152 instead of >>>> fsaverage. >>>> >>>> Thanks in advance, >>>> Shantanu >>>> >>>> >>>> >>> -- >>> 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 >>> >>> >>> >> > > -- > 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 > > > -- Shantanu Ghosh, Ph.D. Martinos Center for Biomedical Imaging Harvard-MIT Program in Health Sciences & Technology _______________________________________________ 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.
