Dear Douglas,

The comman line and terminal output show is this:
[mtobia@localhost subjects_results_symptom]$ mris_apply_reg --src lh.map.mgh --trg lh.map.lh.fsaverage_sym.mgh \
> --streg $SUBJECTS_DIR/s02_base/surf/lh.fsaverage_sym.sphere.reg $FREESURFER_HOME/subjects/fsaverage_sym/surf/lh.sphere.reg
ERROR: lh.map.mgh does not exist or is not readable by you

And also I have other 2 questions:

1) When I run left-right hemisphere paired t-test, can I add age as covariate? If use fsgd to add covariate, to this paired t-test analysis, how to make the fsgd table?

2) I want to reorganize the hemisphere from left-right to symptom-nosymptom according to body symptom side record and compare different between symptom hemisphere and nosymptom hemisphere. Can I use freesurfer to do it?

Thanks for your patient and help.

All best,

Lanbo Wang

On Sun, Nov 5, 2017 at 1:27 PM, Douglas Greve <greve@nmr.mgh.harvard.edu> wrote:

Can you send the command line you are using and the full terminal output?

On 11/2/17 3:09 PM, lanbo Wang wrote:
Dear Freesurfer experts,

When I try run mris_apply_reg according to Xhemi:

"the error is lh.map.mgh does not exist or is not readable by you"

lh.map.mgh is made by which step?

Thank you in advance.

best,

Lanbo
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