Hi,
The surface isn't from an individual subject, but generated from MNI space itself. What exactly do you mean by sample it onto the surface? I could make an image file with value one at the coordinate of interest and zero elsewhere, and then overlay it on surface space and see where it lies, but it would be rather tedious to do this for each of the coordinates I'm interested in (about 30), so I'm wondering if there is a faster way. Granted, some of them may not lie on cortical surface.
Ben
Quoting Bruce Fischl fischl@nmr.mgh.harvard.edu:
Hi Ben,
any given MNI coordinate may or may not be on the surface of a subject. You can convert it to individual subject space then sample it onto the surface.
cheers, Bruce On Tue, 8 Sep 2009 benjamin.deen@yale.edu wrote:
Hi,
I'm wondering how to convert a single voxel coordinate in 2mm MNI152 space to a location on a cortical surface representation of MNI space generated by Freesurfer. My broader goal is to present a set of coordinates collected for a meta-analysis on surface space. Thanks,
Ben Deen Department of Psychology, Yale University _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer