Can a partial brain statistical image volume be accurately registered to a whole brain surface-based map? When I try to convert a partial brain statistical file (zstat1.nii.gz, created using FSL) into an overlay for a surface-based full brain (created using FreeSurfer), the result is a statistical overlay that spreads across the entire surface of the brain. My command line looks like this:
mris_preproc --out lh-zstat1.mgz target SUBJ1 --hemi lh --mean --iv zstat1.nii.gz ../../../anat/Dummy.feat/reg/freesurfer/anat2exf.register.dat
My register.dat transformation matrices work fine when I use tkmedit to view the cope1.nii.gz image as an overlay of the orig.mgz file (partial brain zstats where I would expect them on the image of the full brain). Does mris_preproc adher strictly to the register.dat parameters, or is it possibly over-ridden by the target surface?
Thanks, Eric
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