Hi Guang,
it's because the partial-volume correction will be a bit different. Use the one from the aseg.stats, as there's no reason to use the different wm labels as different partial volume classes.
cheers Bruce
On Thu, 17 Sep 2009, Guang Zeng wrote:
Hi, there,
I ran a subject through FreeSurfer pipeline. I found that the size of left and right hippocampus in aseg.stats are larger than that of left and right hippocampus in wmparc.stats after step. 3.
If I want to compare the FreeSurfer segmented hippocampus with a manually traced hippocampus, which value I should use, the result from step.2 or step. 3?
Thanks a lot!
Guang
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