If you have a label defined on the lh or rh of fsaverage, you can map it
to the contralateral hemi with something like
mris_apply_reg --src-label lh.your.label --streg lh.sphere.left_right
rh.sphere.left_right --trg rh.your.label
where the left_right files are in fsaverage/surf
On 3/29/18 2:02 PM, Abigail Noyce wrote:
Hi, I have pored over (I think) all of the mailing list postings about
cross-hemisphere mapping and I can't quite figure out how to do this.
I have a bunch of labels on fsaverage, and I want to be able to
check/visualize the relationship between lh and rh versions of the
labels.
I can do mri_label2label to map from fsaverage to fsaverage_sym, but
that doesn't do the right thing, and fsaverage doesn't have the same
kind of xhemi registration structure that "normal" subjects get with
surfreg --xhemi. I guess I could back-project onto a normal subject
and then project to fsaverage_sym, but that seems like an unnecessary
step.
How can I get mirror-projected labels from fsaverage on fsaverage_sym?
Thanks!
Abby
--
Abigail L. Noyce, Ph.D.
Psychological & Brain Sciences
Boston University
ano...@bu.edu <mailto:ano...@bu.edu>
617-440-3640
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