> With 3dinfo, I was able to determine the subbrick in the output file of step 6
> (3dDeconvolve in order to do the regression analysis). However, it is unclear to
> me where I can find the subbrick for the beta value. I get a coefficient and a t
> statistic for each TR I was interested in + the overall R2 with its corresponding
> F statistic.
I assume you meant regressor instead of TR in your description above. Since you have one label for each regressor, you should be able to locate sub-brick number for the corresponding beta to the interaction R^2, and the beta, t, F and R^2 are clustered together in terms of sub-brick sequence.
Gang