Dear freesurfers,
I have a problem in creating masks of the left and right cerebral cortexes.
The message "found 0 values in range" is displayed and an empty mask is
created. This is surprising as I am able to build masks of the right and left
hippocampi and entorhinal cortexes using the same command without any problems.
Further the satistic file aseg.stats indicates me a huge amount of voxels in
the cerebral cortexes. I am using the segmentation ID 3 for the left cerebral
corex and 42 or 53 for the right cerebral cortex. I am surprised as well to
find two different IDs for the same region, 42 comes from the aseg.stats file,
53 comes from the FreesurferColorLUT table. Wich ID is the right one to use?Why
can I build masks of hippocampal regions but not of the cerebral cortexes?
Thank you very much and kind regards,
Lorenzo Pasquini
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