Hi,
We are planning to collect high resolution *functional* MRI for a group
of subjects with voxel size smaller than 1 mm. For these subjects, we
already have reconstructed *anatomical *scans with 1 mm voxel size. The
question is, do we need to re-collect *anatomical* scans for these subjects
with smaller voxel size (e.g. 0.5 x 0.5 x 0.5) or we can still use the old
anatomical data for co-registration with freesurfer.
P.S.: We usually analyze our subjects in native space but technically we
can do this in fsaverage space. So, we only need this co-registration for
pre-processing and mapping fMRI data to fsaverage space.
Regards
--
Shahin Nasr
PhD in Cognitive Neuroscience
Martinos Imaging Center, MGH
Harvard Medical School
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