According to this website https://surfer.nmr.mgh.harvard.edu/fswiki/FreeSurferVersion3, Freesurfer v 3.0 uses Aseg atlas for the segmentation of subcortical structures.
It does not explicitly mention anything about Freesurfer v5.3 though. 

On Thu, Oct 13, 2016 at 8:02 AM, AKUDJEDU, THEOPHILUS <T.AKUDJEDU1@nuigalway.ie> wrote:


Hi All,


Which default atlas does FreeSurfer 5.3 use for the segmentation of subcortical structures?


Thanks


Theo



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