afni.nimh.nih.gov

> When computing conjunction analyses is it necessary to use independent
> baseline measures? This seems to be common in the SPM world and I was
> wondering if the same idea would apply to AFNI.

The baseline in the signal is typically modeled as drifting effect through polynomials in AFNI, so any regressor coefficient is implicitly (and thus can be interpreted as) the effect of that condition versus the baseline.

Gang