Hi Sasha,

Yes, aparc2aseg is run on the whole brain, not per-hemisphere. It will only run correctly if both hemispheres have been fully processed.

Jenni

On Tue, 18 Apr 2006, Sasha Wolosin wrote:

Dear FreeSurfers,

  I am using freesurfer stable 3.0.1 for 64-bit linux, and I would like
to run aparc2aseg on just the right hemisphere.  I ran "recon-all -hemi
rh -subjid 2600test -autorecon-all" and when it got to aparc2aseg it
exited with the following error:

MRISread(/data/subjects/2600test/surf/lh.white): could not open file
No such file or directory

I then tried to run mri_aparc2aseg separately using the flag "-hemi rh"
and it said option "-hemi" is unknown.  Does aparc2aseg require both
hemispheres be run through all the previous steps?

Thanks,
Sasha



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