Table 2. Feedback Related Negativity (FRN) Amplitude Means (and SD) for Unexpected Reward and Unexpected Punishment for each of the Groups.

Condition	Group
	PE	SocAnh	Control
Unexpected punishment (UP)	4.76 (5.98)	4.52 (4.17)	5.03 (4.62)
Unexpected reward (UR)	4.38 (5.61)	6.36 (3.78)	6.61 (5.81)
Reward Sensitivity Difference Score (UP−UR)	0.38 (2.82)*	−1.84 (4.67)	−1.58 (4.83)

Abbreviations: PE, psychotic experiences group; SocAnh, Social Anhedonia group.

Smaller (ie, less positive/more negative) values=larger FRN. Asterisk indicates that the PE group differed significantly from the other two groups.