Dear FS experts,I am trying to run a 3 group comparison with FS.I have run preproc ( script from ENIGMA Cortical protocol) on my first fsgd file. As I have three groups I have prepared my second fsgd file as g3v0.fsgd and all my desired contrasts, rather than using QDEC. I run this second stage as follows:mri_glmfit \ --glmdir g3v0 \ --meas thickness ../SURF/lh.thickness.mgh \ --fsgd g3v0.fsgd \ --C HC-BD_fam.mtx \ --C HC-BD.mtx \ --C BD-BD_fam.mtx \ --C group.effect.mtx \ --C HC+BD-vs-BD_fam.mtx and I get:Loading y from /Volumes/NEW_VOLUME/Familial_FS_Final/FSGD/y.mghmghRead(/Volumes/NEW_VOLUME/Familial_FS_Final/FSGD/y.mgh, -1): could not open fileERROR: loading y /Volumes/NEW_VOLUME/Familial_FS_Final/FSGD/y.mgh As far as I understand y.mgh is a stack data that is made after using QDEC is run. But I have been prompted to not use QDEC, so I am now wondering how I am supposed to run my glm design. Also I tried to change the y.mgh to any of the outputs of the mris_preproc (lh.white.mgh, lh.volume.mgh, lh.thickness.mgh, etc), and it says:Creating output directory g3v0Loading y from /Volumes/NEW_VOLUME/Familial_FS_Final/SURF/rh.white.mghERROR: you must use '--surface subject hemi' with surface dataAny suggestion would be greatly appreciated.Thanks a lot.Pablo
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