Hi Massieh, try adding "--meas thickness"

doug

mmoayedi@uhnres.utoronto.ca wrote:

Dear Dr. Fischl,

We have been following the steps you have laid out on the listserv (http://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg17601.html) to make an average subject. However, we are not able to proceed with the mris_preproc step. It requires an output file and the hemisphere. When we include these, it asks for an input file.

The command we are inputting is: mris_preproc --surfreg sphere.reg.avgsubject --s nc_001 --s ...

and

mris_preproc --surfreg sphere.reg.avgsubject --hemi rh --s nc_001 --out avgsubject.mgz

Could you please advise us on how to proceed?

Thank you.

Regards,

Massieh Moayedi

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