Giacomo Perri Wrote:
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> I need to do a voxel-by-voxel correlation between
> conditions A and B across a group of 40 subjects.
> In other words, I would like to find for which
> voxels activation in these two conditions covaries
> across my subject group. I just cannot figure out
> a way of doing this. Any help would be highly
> appreciated. Thanks in advance.
Giacomo,
You can try one of the following two approaches:
1) 3ddot -demean
2) 3dttest++ using one of your conditions as a covariate
Gang
