External Email - Use Caution Hi Freesurfers,
I want to do group analysis on four groups and use the volume values in aseg,stats. 1- Is it correct that each subcortical segmentation is based on a "volumetric segmentation atlas" created by Freesurfer? 2- Are the volume values expressed in the space of this atlas? 3- Can I compare these absolute values between 4 groups ? 4- Should I apply correction to the volume measures by eTIV (also called ICV)? Thanks you in advance! Best regards, Hengameh
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