NO_RESP | Trials where no response was given (boxcar of 500 ms from stimulus onset). |
POS_OUT | Regressor aligned to the outcome for rewarded trials, duration of 500 ms. |
NEG_OUT | Outcome of unrewarded trials (but where a response was recorded) |
REW | Parametric regressor denoting reward amount in rewarded trials (1–10 drops), temporally aligned to POS_OUT. |