Hi Bruce,

Thanks for the response. I just uploaded the subject using the ftp file exchange. The issue is visible in the region close to voxel coordinate [172, 123 ,134]. the missing gyrus is capped between coronal slice 141 to 118. I forgot to mention in my first message that we used a T2 to improve pial surface after initial running with just the T1.

Thanks again
Jake

Biomedical Engineer, Brain Rehabilitation Research Center
Malcolm Randall VA Medical Center, 1601 SW Archer Road, Gainesville, FL 32608
Phone: 1-352-376-1611 ext. 5249, E-mail: jakerieke@gmail.com

On Wed, Jul 26, 2017 at 8:16 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu> wrote:
Hi Jake

usually that means that there is a topology defect that is being
incorrectly fixed. If you upload the subject and point us at the voxel
coords we will take a look

cheers
Bruce

On Wed, 26 Jul 2017, Jake Rieke wrote:

> Hello surfers,
>
> I'm attempting to extend white and pial surfaces to encompass an
> unrecognized gyrus. The wm.mgz seems include the WM tissue, but the white
> surface does not extend to the WM boundary. I thought this might be related
> to an intensity normalization error and tried using control points, but that
> did not make a big difference in the resulting surfaces. I've attached
> pictures to better illustrate the problem. Thanks in advance for your help!
>
> Best regards,
> Jake
>
>
>
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