Re: [Freesurfer] Cortical and White Matter Parcellation and Segmentation Outputs

2008-02-11 Thread Bruce Fischl
Hi Luis, 1. I'll leave this for Doug. 2. The aseg.mgz is indendent of (and produced before) the mri_segment step (which produces the wm.mgz). In general we don't use the cortical part of the aseg as the surfaces in our experience are more accurate. 3. Can you give an example of this? I would th

[Freesurfer] Cortical and White Matter Parcellation and Segmentation Outputs

2008-02-11 Thread lbotelho
Dear FS experts, 1. There are some frequent mismatches between the white matter and cortex parcellations (aparc+aseg.mgz and wmparc.mgz) with zeroed voxels between them. Would suppressing the option --ribbon when running aparc2aseg either during cortex or white matter parcellation (or both) resul