I’m running FSv5.1.0 on RHEL6.

1) My goal is to run a glm-fit on White Matter aparc regions for a “between group” surf-based analysis and evaluate spatial maps of significant differences.

2) I noticed that fsaverage does not have a wmparc.mgz file, so I’m currently working with bert as my subject.

3) I’d like to visualize each segid in the wmparc.mgz (volume-based) file on the white matter surface in the same subject (e.g. bert).

4) I have been able to breakdown bert’s wmparc.mgz file into separate masks (e.g. *.mgz) and labels (e.g. *.label) based on segid using mri_cor2label and mri_vol2surf. To get the vertices written into the label file, I have loaded each label and re-saved each label in tksurfer.

Q: Is there a better method for getting this (wmparc units moved from vol to surf) done (maybe using a matlab function?) Or is surf-based analysis of white matter not such a good idea.

Many Thanks for any assistance you can provide.

Cheers,

Jenifer

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Jenifer Juranek, PhD

University of Texas at Houston