Hi Freesurfer experts,
Question related to transforming volumes/masks in ICBM-152 space to MNI-305
space for use with fsaverage.
1. What is the proper registration file while utilizing mri_vol2vol?
A. The registration file
{$FREESURFER_HOME}/subjects/fsaverage/mri/transforms/reg.mni152.2mm.dat
>>Same file as {$FREESURFER_HOME}/average/mni152.register.dat
OR
B. The different registration file
{$FREESURFER_HOME}/subjects/fsaverage/mri.2mm/reg.2mm.mni152.dat
2. Are VOI-masks that are ALREADY in SPM2/FSL’s MNI-305 space (i.e. 2mm^3,
90x108x90) resliced to 256^3 -- usable with fsaverage without any further
alteration?
>> If not: Different linear transform from MNI-305 to ‘fsaverage MNI-305’?
Thanks!
Adam Martersteck
Cognitive Neurology and Alzheimer's Disease Center
Northwestern University Feinberg School of Medicine
320 E. Superior Street, Searle 11
Chicago, IL 60611
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