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

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