if a bunch of it is dark and not segmented you should probably try
control points. It's not really a Siemens/GE issue as much as it usually
is reflects the receive coil sentivity profiles. Siemens has a "prescan
normalization" that works pretty well that runs a scan to map out and
correct for t
Hi Mahinda
it depends on whether the frontal regions in the brainmask.mgz have
intensities significantly lower than 110. Probably what you are seeing is
incorrect topology fixing which is usually due to incorrect segmentation.
The question is why is the segmentation incorrect.
cheers
Bruce
Dear Freesurfer Experts,
I am processing some coronally acquired 3T GE FSPGR T1 volumes. I have
noticed that on occasion slices pial and white surfaces at the very front
of the brain can go very wrong - either frontal slices are excluded all
together (present in brainmask.mgz but no pial or wm su
