Re: [Freesurfer] register data to the surface

You can use bbregister to compute the transformation for each run based on the middle time point of that run (and assuming you've motion corrected the run), then use mri_vol2surf to resample any data set aligned with the middle time point to the subject's surface or the fsaverage surface. You can do that for each run separately, then use fscalc to compute the difference. doug

francesca strappini wrote:

Sorry, I try to be more specific. I would like to be able to take the volume-to-surface transformation calculated on one set of functional data, and apply that transformation to another set of functional data (the subtraction) of the same subject. This will allow me to display arbitrary functional values on a surface.

Thanks!

Francesca