> Would it be possible to run an F test on either regressor 2 (representing activation only associated with RT)
> or regressor 3 (representing activation only associate with confidence)
Are you referring to the individual- or population-level analysis? You also have 4 conditions, so F-test about the modulation effect under one particular condition or across the 4 conditions?
> Q4: We are looking at subbrick #2, which is the Cond F-test with AM2 regressors. The significant clusters represent
> regions that do not track or change with behavior. Is this a correct interpretation?
Which AM2 regressors? If it's the RT (or confidence) effect, then the F-test shows the statistical evidence for the differences of the RT (or confidence) effect across the 4 conditions. You may add -gltCode to further parse the specifics of the statistical evidence through post hoc tests.
Gang
Gang