Dear freesurfer experts,
The freesurfer online manual stated that before group analysis, we should
resample data onto the common space (fsaverage). I have three questions here.
First, Is the fsaverage file in the MNI space? In some previous studies, they
report significant clusters with MNI coordinates. So, I would like to know
whether this "common space" is equal to MNI space. Second, what does resample
mean? Normalization--register the surf data to the fsaverage space? In my
experience, I just used resample to change the voxel size in the volume data
(e.g., before 1*1*1, after 3*3*3). The final question is that the fsaverage
file is generated from my data or just a prior template?
Thanks in advance.
Best,
Feng
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