Hi Doug,
Thank you very much for your output about my output files. Yes, I understand that these images are skull stripped. But since there are possibilities of error in the skull stripping process I was concern about extra no brain tissue being included in the output.

I think the location of the tissue I was referring was mistaken. To make it clearer I have circled (in red) the specific area in the images attached I have concerns about not being brain tissue. 

I noticed that this repeats in several other of my subjects and I wanted to make sure it is fine.

Best,
Pablo


> Date: Tue, 3 Sep 2013 09:50:06 -0400
> From: greve@nmr.mgh.harvard.edu
> To: freesurfer@nmr.mgh.harvard.edu
> Subject: Re: [Freesurfer] No brain tissue after recon-all all
>
>
> Hi Pablo, this is a skull stripped image. In the human brain there is no
> brain tissue ventral to the orbital frontal areaso any tissue there has
> been stripped away.
> doug
>
>
> On 09/02/2013 12:49 AM, pablo najt wrote:
> >
> > Dear FS experts,
> > I have a doubt about a potential registration problem after running
> > recon-all -all. I noticed that one of the image outcome when opened
> > with tkmedit shows no-brain tissue (perhaps eye tracts) ventral to
> > orbitofrontal areas. I have attached snapshots to illustrate the image.
> > I would greatly appreciate your output on this since I have no
> > experience with FS and I am not sure what to expect. I would like to
> > enquire whether I should be concerned about this image or if this is
> > not a problem.
> >
> > Many thanks,
> > Pablo
> >
> >
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> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> greve@nmr.mgh.harvard.edu
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