Hi Leon

can you cc the list so others can answer? I don't have any experience
with monkey recons so I'm not going to be able to be all that helpful.
Check the filled.mgz and see if the surface follows it, and if so we'll
have to figure out why that region is being turned on in the filled
cheers
Bruce


On Fri, 25
May 2012, Leon wrote:

> Hi, Bruce
>
> I checked the orig.nofix and do not see any obvious defect there (see the
> attached file). Do you have any suggestions on how I should check the
> defects other than visual check? I loaded the defect_label and there is no
> red label near this region.
>
> Thank you!
> Leon
>
> ____________________________________________________________________________
> From: Bruce Fischl <fischl@nmr.mgh.harvard.edu>
> To: Leon <leonado78@yahoo.com>
> Sent: Wednesday, May 23, 2012 7:28 PM
> Subject: Re: [Freesurfer] wm surface does not follow wm.mgz
>
> That almost certainly means there is a topological defect there. Check the
> orig.nofix
>
>
> Cheers
> Bruce 
>
>
>
> On May 23, 2012, at 2:49 PM, Leon <leonado78@yahoo.com> wrote:
>
>      Hi, FreeSurfer experts
>
> I have seen similar posts before but did not think that I could solve
> the issue based on the answers from the previous posts. So I am
> posting it here again. Basically, I find that white matter surface
> does not follow the wm.mgz file (see the attached file). It is strange
> that such problem is only located at the precentral gyrus. I checked
> the white matter original surface and the inflated surface and they
> look fine. I also went through wm.mgz slice by slice to see if there
> is abrupt gradient between slices and it doe not seem to have that
> either. So I wonder if anyone would help on solving this issue.
>
> Thanks in advance!
> Leon
>
>      <RightPreCentralGyri.jpg>
>
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