Hi Brendan
if you send us the sample we can take a look, but in general the
thickness is the average of the distance from the white to the pial with
the distance from the pial to the white. Sometimes things can seem like a
knot or tangle, but really it's just that the surface is almost parallel
Hi, I have a set of fairly old MRIs which have been run on freesurfer.
Occasionally scans have scrambled pial or white matter boundaries - a
knot-like appearance especially in sulci. I am wondering how freesurfer
estimates cortical thickness in these regions. For example, does it take
the pial boun
