You can use mri_label2vol and spec $FREESURFER_HOME/average/mni152.register.dat as the registration file.

Cherif Sahyoun wrote:
Hi,

I'd like to morph ROIs drawn on the fsaverage surface onto the MNI152 volume. Any ideas on how to do it?
Usually I'd mri_label2label and then mri_label2vol, but I don't think there is a surface version of MNI152, is there?

Thanks!
Cherif
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Cherif P. Sahyoun HST-MEMP

Developmental Neuroimaging of Cognitive Functions

C: 617 688 8048
H: 617 424 6956
cherif@mit.edu

"Live as if this were your last day. Learn as if you'll live forever"
Ghandi
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