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Hello Free Surfer developers,
From my understanding, the volumes provided in the aseg.stats document is not corrected by the head size.
In order to do that, it is recommended to use the ITV and the label ID's:
mri_label_volume -eTIV \ $sdir/transforms/talairach.xfm 1948 \ $sdir/aseg.mgz 17 53
However, I need the corrected volume of the Brain Segmentation Volume without Ventricles, the Total gray matter volume, Left hemisphere cerebral white matter volume, and Right hemisphere cerebral white matter volume, none of which have a label ID.
Is there any way to obtain these corrected volumes in free surfer itself?
Thanks,
Dra. Fabíola Macruz MD from Faculdade de Ciências Médicas da Santa Casa de São Paulo PhD from Faculdade de Medicina do Hospital das Clínicas da USP Former Research Fellow from Stanford University Former Clinical Innovation Fellow/ Project Leader from Mass General Brigham Phone: + 1(650)686-0668 / + 55(11)99571-5906