it doesn't really matter. We frequently erase it as (1) it's non-cortical, and (2) it ends up being a little strand on the inflated surface. It won't matter if you leave it though On Fri, 19 Jul 2013, ye tian wrote:
Dear Martin, Thank you so much for your reply.
I searched the freesurfer mailing list, and indeed it seemed that optical chiasm should be left out. However, optic chiasm is made up of axons, which automatically qualifies as "white matter". Is this a contradiction?
Thank you!
Sincerely, Ye
On Fri, Jul 19, 2013 at 2:02 PM, Martin Kavec martin.kavec@gmail.com wrote: It's an optic chiasm, crossing of optic nervers.
Martin Sent from my iPad On 19.7.2013, at 20:28, ye tian <tianye730@gmail.com> wrote: > Dear freesurfers, > > I would like to confirm that the circled region in whitematter.png is not white matter. I initially manually deleted the white matter in wm.mgz for a few subjects. Now I see that it is such a common problem and I start to loose confidence in my editing. Would anyone please give me a second opinion? > > Thank you very much! > > Sincerely, > Ye<white matter.png> <Freesurfer.png> _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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