Are the AFNI results already in talairach space? If so, then there is no 
point in going to surface space.
doug


On 03/26/2014 01:22 PM, Linda Xu wrote:
> I get the correlation result between two condition  of the functional 
> data by using AFNI( I do not know how to do correlation by using 
> freesurfer)
> And then I use the bbregister to aline the correlation result (produce 
> by Afni) to the anatomical result produced by using freesurfer.
> Next I using mri_vol2surf to aline the each one's functional result to 
> the  fsaverage offer by freesurfer.
> My question is :1 Should I need to do mri_vol2vol next for each subject?
>                        2 I have two group of subjects. I want to know 
> if there is some correlation different between them? What should I do 
> next?
> Thanks very much!
> Linda
>
>
>
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-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
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