Re: [Freesurfer] problem with surface area regression

2013-06-25 Thread Anderson M. Winkler
Hi Wen, Brain volume has a good relationship with the overall surface area measured in native space (so, irrespective to any kind of interpolation). We found an R^2 of 0.856, which is higher even than the correlation of brain volume with gray matter volume as measured via VBM-like methods. Howeve

[Freesurfer] problem with surface area regression

2013-06-24 Thread wen.zhang55
Dear Freesurfer, I have checked the mail list, none could answer my problem. I added up the value of all vertxes in the .area or .area.pial files, find that brain size did not contribute much to that vertex-sum. However, some experiment used total brain volume as a regreesion coefficien