Hi Doug,

Thank you, I think that will work. Right now my anatomical ROIs are in
subject native space and I would like to register the third-level
group (across subject) fmri activation map to subject native space as well
before crossing the two. Is that possible? I have the anat2exf.register.dat
files for each subjects's group feat (across runs) but I don't know how to
do it for the third level?

Thanks so much,
Huiting


On Mon, Jul 16, 2012 at 2:03 PM, Douglas N Greve
<gr...@nmr.mgh.harvard.edu>wrote:

> You can create a binary mask of the ROI, then use mri_mask to mask out
> the non-ROI part from the fMRI. does that work?
> doug
>
> On 07/11/2012 11:25 AM, Huiting Liu wrote:
> >
> > Hello,
> >
> >
> > I'm trying to do an ROI analysis that crosses the group-level
> > functional activation with specific anatomical structures. Currently
> > the clusters found for our group-level functional activation are too
> > large and need to be separated into many structures. Is there a
> > command I could use that would cross the group level map with each
> > cortical structure generated by freesurfer's recon-all?
> >
> >
> > Thanks.
> >
> >
> >
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> --
> Douglas N. Greve, Ph.D.
> MGH-NMR Center
> gr...@nmr.mgh.harvard.edu
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> Fax: 617-726-7422
>
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