Table 2. Behavioural results for the psychopathic, non-psychopathic and the control group.

	Psychopathy (n = 20)	Non-psychopathy (n = 23)	Healthy controls (n = 16)
Reaction time	470 (76)	479 (70)	398 (54)*
Correct hits	39.4 (1)	39.7 (.6)	39.7 (.7)
False alarms	0.5 (0.7)	0.17 (0.4)	0.38 (0.8)
Errors to non-targets	0.65 (.8)	0.22 (.4)	0.44 (.8)

Group means are reported with their standard deviation between brackets. Reaction times are reported in msec and accuracy measures in counts. Significant group differences are flagged.