Hi Raul, Thank you for your answer. Yes, the aparc2009 should work fine. But if I may suggest something, I think that just changing the label name to Sup. Parietal + Sup. Occipital Cortex would be a good way to warn the users about the extend of this label. Best Regards. Paulo
----- Mensagem original ----- > De: "Rahul Desikan" <rahuldesi...@gmail.com> > Para: "paulo bazan" <paulo.ba...@usp.br>, > freesurfer@nmr.mgh.harvard.edu > Enviadas: Quarta-feira, 11 de Março de 2015 12:42:31 > Assunto: Re: [Freesurfer] aparc superior occipital lobe labeled as > superior parietal (fwd) > Hi Paulo, > This is a good question/observation. From a neuroradiology > perspective, we > often struggle with the lateral boundary between the occpital and > parietal > cortices, often referring to these areas as 'parieto-occipital > region'. The > medial boundary is a lot easier given the parieto-occipital incisure > (sulcus). Nevertheless, I think it would be worthwhile to revisit > this > region (along with others in my parcellation atlas) to see if we can > come up with a more > robust delineation. For example, I suspect we may be able to carry > forth the > parieto-occipital incisure into the lateral hemisphere thus serving > as a > guide to differentiate between the two cortices laterally. For your > immediate purposes, I suspect the aparc2009 atlas would be better > for evaluating the posterolateral occipital and parietal cortices. > Warm regards, > Rahul > > > ---------- Forwarded message ---------- > > > > > > Date: Wed, 11 Mar 2015 10:44:40 -0300 (BRT) > > > > > > From: paulo.ba...@usp.br > > > > > > Reply-To: Freesurfer support list > > > > > > < freesur...@nmr.mgh.harvard. edu > > > > > > > To: freesurfer@nmr.mgh.harvard.edu > > > > > > Subject: [Freesurfer] aparc superior occipital lobe labeled as > > > > > > superior parietal > > > > > > Hi everybody > > > > > > I was looking at my subjects and I noted that the superior > > > > > > occipital region > > > > > > is labeled as superior parietal cortex in the aparc parcelation. > > > > > > Then I discovered that the "bert" subject, that comes as > > > > > > reference with > > > > > > freesurfer, and that the fsaverage also have their superior > > > > > > occipital cortex > > > > > > labeled as superior parietal cortex. > > > > > > I just asked the freesurfer instructors at an organized > > > > > > freesurfer course > > > > > > and was intructed to post this observation to the list. > > > > > > I guess this happens because there is no superior occipital > > > > > > label in the > > > > > > aparc partcelation. The aparc2009 has it, and the occipital and > > > > > > parietal > > > > > > cortices are labeled correctly. > > > > > > Has anyone noticed this before? I guess that if the parietal > > > > > > and/or > > > > > > occipital lobe are the regions of interest of the study, the > > > > > > aparc2009 > > > > > > parcelation should be used. > > > > > > Best regards > > > > > > Paulo Bazán > > > > > > ______________________________ _________________ > > > > > > Freesurfer mailing list > > > > > > Freesurfer@nmr.mgh.harvard.edu > > > > > > https://mail.nmr.mgh.harvard. edu/mailman/listinfo/ freesurfer > > > > > > The information in this e-mail is intended only for the person > > > > > > to whom it is > > > > > > addressed. If you believe this e-mail was sent to you in error > > > > > > and the e-mail > > > > > > contains patient information, please contact the Partners > > > > > > Compliance HelpLine at > > > > > > http://www.partners.org/ complianceline . If the e-mail was sent > > > > > > to you in error > > > > > > but does not contain patient information, please contact the > > > > > > sender and properly > > > > > > dispose of the e-mail. > > >
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