Hi Amal

this happens for multiple subjects? What version are you using? I have
only ever seen this very rarely and usually for an atypical (e.g.
multiple central sulci) folding pattern. Can you upload a subject so I
can take a look?

cheers
Bruce
On Tue, 13 Feb 2018, Amal Achaibou wrote:

>
> Hello,
>
> I'm new to freesurfer and have been trying to use it for cortical parcellation of individual T1s
> running recon-all -s subID -i sunT1 -all command. I'm specifically interested in getting
> parahippocampal and perirhinal ROIs for each individual. It appears that the parcellation is correct
> for the left hemisphere but not for the right hemisphere... I found that there were also mislabeling
> for precentral and postcentral gyrus (as easy gyri to identify), and that regardless of if I looked
> at the aparc.annot or the aparc.DKTatlas.annot parcellation scheme.
>
> Is there any reason why I have this systematic mistake? Attached is the example for one subject
> (others looked very similar).
>
>
> Thanks
>
>
> Amal
>
>
> ____________________________________________________________________________________________________
>
>
>
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