Re: [Freesurfer] Segmentation problems

2011-02-02 Thread Bruce Fischl
This is probably ok. Run it all the way through and see if it affects the surfaces. If not, you are all set On Feb 2, 2011, at 10:30 AM, Tetiana Dadakova wrote: > I attach a picture of what I get if I run > > . > > I feel that I need to change the -T threshold of WM intensity, does it > make

Re: [Freesurfer] Segmentation problems

2011-02-02 Thread Nick Schmansky
try disabling use of gcut by adding -no-gcut to the end of recon-all. sometimes it can cut too much (something thats fixed in the upcoming release). n. On Wed, 2011-02-02 at 11:28 +0100, Tetiana Dadakova wrote: > Dear Bruce and all, > > I am trying to fix the scull strip, as it affects ?h.white/

Re: [Freesurfer] Segmentation problems

2011-02-02 Thread Tetiana Dadakova
Dear Bruce and all, I am trying to fix the scull strip, as it affects ?h.white/?h.pial surfaces. I used -wsthresh with preflooding height of down to 1. It didn't really help much. Therefore, I have two question: 1. Regarding mri_gcut: should I use the default intensity of 110 for white matter mas

Re: [Freesurfer] Segmentation problems

2011-01-31 Thread Bruce Fischl
Hi Tetiana, do you mean the bit of skull left over that is misclassified? I wouldn't worry about it unless it causes the ?h.white/?h.pial surfaces to be inaccurate. In general we use the surface-based measures to estimate gray/white morphometry and the aseg for everything else. It is a minor s