Hi Bruce,

I am trying to do just that using the following command line:
mri_aparc2aseg --s ${subject} --labelwm --hypo-as-wm --rip-unknown --volmask --o ${subj_dir}/mri/wmdivided --annot aparc.split

After the slice labeling, I get the following:

Used brute-force search on 872 voxels
Fixing Parahip LH WM
Found 0 clusters
Fixing Parahip RH WM
Found 0 clusters
Writing output aseg to /home/bauer/freesurfer_subjects/FSH_09062013/mri/wmdivided
unknown file type for file (/home/bauer/freesurfer_subjects/FSH_09062013/mri/wmdivided)
subject = FSH_09062013
annotation = wmdivided
hemi = lh
outdir = /home/bauer/freesurfer_subjects/FSH_09062013/wm_hardi_labels
surface = white

Any suggestions?

Thanks,
Corinna

On Tue, Jul 1, 2014 at 6:55 PM, Bruce Fischl <fischl@nmr.mgh.harvard.edu> wrote:

Hi Corinna

not really, as that is a surface-based utility. You could divide the
cortical labels and then recrate the wmparc from it, which might do what
you want.

cheers
Bruce

On Tue, 1 Jul 2014, Corinna
Bauer wrote:

> hello,
> I was wondering if it was possible to use mris_divide_parcellation on white
> matter labels.
>
> Thanks,
>
> Corinna
>
>

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