Re: [Freesurfer] white.surf doesn't follow wm.mgz

2008-09-23 Thread Bruce Fischl
Hi Dahlia, this is because there are voxels labeled cortex through which the lh.orig surface passes. If you changed those to accumbens then the surface wouldn't deform inwards there. I guess this is another case that should be handled by the stuff that detects non-cortical regions and freezes

Re: [Freesurfer] white.surf doesn't follow wm.mgz

2008-09-23 Thread dahlia
I'd appreciate that. For example: data is at ~dahlia/structurals/subj30/mri/wm.mgz and the coords are [133 126 155]. [in this case the corrections were made automatically, not manual edits - but the white surface doesn't follow the volume edits) Thanks! > then you didn't fix it properly. Did you f

Re: [Freesurfer] white.surf doesn't follow wm.mgz

2008-09-22 Thread Bruce Fischl
then you didn't fix it properly. Did you find the source of the defect? This is kind of an acquired skill as you have to page through a number of slices almost by definition, and sometimes need to look in different orientations. If you point us at the data (and the voxel coords of the problem)

Re: [Freesurfer] white.surf doesn't follow wm.mgz

2008-09-22 Thread dahlia
Thanks Bruce. But what happens when I've already done the manual edit, run autorecon2-wm and still see the defect? > Hi Dahlia, > this usually means there was a topological defect that was fixed > incorrectly. You'll need to edit the wm.mgz to remove it, then run > autorecon2-wm. > > cheers, > Bru

Re: [Freesurfer] white.surf doesn't follow wm.mgz

2008-09-22 Thread Bruce Fischl
Hi Dahlia, this usually means there was a topological defect that was fixed incorrectly. You'll need to edit the wm.mgz to remove it, then run autorecon2-wm. cheers, Bruce On Mon, 22 Sep 2008 [EMAIL PROTECTED] wrote: Hi, What should I do when the white volume looks right (e.g. filled in w