[Freesurfer] Cortical thickness nearly zero

Gabriele Corbetta

10 Feb 2012 10 Feb '12

4:49 a.m.

Dear all, I'm not familiar with Freesurfer and I have a very naive question... I'm reading with Matlab the .thickness files of a few subjects and I see that there are some nearly zero / zero values.. how do I interpret them? Maybe they correspond to regions which are not considered as cortex? Had I to compute the mean cortical thickness of the whole brain, would I have to discard them?

Thanks in advance. Gabriele

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