TABLE 2.

Overview of experimental factors, number of symbols, procedure, and dependent measures in examining affective constructs and BOLD (Blood Oxygen Level Dependent) response for both experiments.

	Experiment 1	Experiment 2
Factors	Average feedback balance (positive/negative)	Average feedback balance (positive/negative)
	Feedback consistency (consistent/inconsistent)	Feedback consistency (consistent/ inconsistent)
	Time (Questionnaire Block 1/2/3)
Number of symbols	Four (see Table 1 for more details)	Five (see Table 1 + control symbol)
Procedure	Practice Block (8 trials) Learning Block 1 (82 trials) PAQ Block 1 (4 trials) Learning Block 2 (82 trials) PAQ Block 2 (4 trials) Learning Block 3 (82 trials) PAQ Block 3 (4 trials)	Behavioral Practice Block (10 trials) Learning Block 1 (52 trials) Learning Block 2 (52 trials) Learning Block 3 (52 trials) fMRI Practice Block (5 trials) fMRI Block 1 (50 trials) fMRI Block 2 (50 trials) PAQ Block (4 trials)
Dependent measures	Current valence, current arousal, expected valence difference, expected arousal if gambling, expected arousal if passing	Current valence, current arousal, expected valence difference, expected arousal if gambling, expected arousal if passing; BOLD response

PAQ, Predecisional Affect Questionnaire; fMRI, functional Magnet Resonance Imaging.