What is the name of FreeSurfer subject? This is not necessarily the same as SUBJ01 in your command line below. That is the session (which may or may not be the same as the "subject name"). What ever the subjectname is, does $SUBJECTS_DIR/subjectname exist?

On 10/31/2012 03:07 PM, Zhou, Wei wrote:

Hi, Doug

Thank you for your reply. I have tried exporting SUBJECTS_DIR to the directory of upper fold, retinotopy or SUBJ01 But none of them works. Still the same error msg.

So what should SUBJECTS_DIR be exported to for this analysis?

Best

Wei

...

Hi Wei, this is a bug in the error msg. It is trying to say that your source subject is not in the $SUBJECTS_DIR. doug

...

On 10/27/2012 02:27 PM, Zhou, Wei wrote: Dear freesurfers,

I am trying retinotopy analysis in freesurfer. For "fieldsign-sess", I encounter the following problem when I type "fieldsign-sess -a rtopy.self.lh -occip -s SUBJ01" or "fieldsign-sess -a rtopy.self.lh -occip -sf sessid":

*/media/users/zhouw4/testf/retinotopy/SUBJ01/log/fieldsign-sess.log* *subject: Undefined variable.*

my structure of retinotopy fold is : retinotopy | |--sessid |--SUBJ01 |--subjectname

      |--bold
          |--001
              |--f.nii
              |--rtopy.par|

I really appreciate it if you could give me some idea about that problem. Thanks a lot in advance.

Best Wei Zhou Medical Physics Ph.D. Student Diagnostic Imaging Track cgxz...@gmail.commailto:cgxz...@gmail.com zho...@livemail.uthscsa.edumailto:zho...@livemail.uthscsa.edu

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-- 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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