Hi Mihaela

adolescent girls probably have thicker cortex than older kids/adults. One thing to watch our for is dura/tentorium. Particularly when the cortex is thick it can be adjacent to cortical gray matter and difficult/impossible to avoid including in the cortical ribbon unless you have something in addition to a T1 (FLAIR, T2SPACE, T2*)

cheers
Bruce


On Tue, 19 Apr 2016, Mihaela Stefan wrote:

Dear Freesurfers,
We noticed that some subjects in our study have the average cortical
thickness values in entorhinal and temporal pole above 4 mm. They are
adolescent girls so they're pretty young but we wonder if these values are
accurate. Visually, their segmentations seem good.

In an older email, Bruce was recommending using _exvivo.stats instead of
aparc for entorhinal measurements:
https://www.mail-archive.com/[email protected]/msg26364.html 

Is there a similar recommendation for the temporal pole? There doesn't seem
to be any stats files apart from aparc concerning this region.

Thanks!
Mihaela 

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