The partial volume correction is done based on the intensity and label
of the surrounding voxels. By using aparc+aseg you change the label of
the surrounding structures and it changes the PV correction. Use
aseg.mgz and not aparc+aseg
doug
On 05/09/2014 05:27 AM, Schreiber, Stefanie wrote:
Dear all,
For the evaluation of the subcortical volumes we executed ‘mri_segstats’ on
‘aseg.mgz’ and for comparison on ‘aparc+aseg.mgz’ in a number of individuals.
Apparently the volume of subcortical structures, like the hippocampus, is
calculated as the same values if calculated (without
