Table 2.

IMT Performance in Bipolar Disorder and ASPD

G	BP	ASPD	N	CD, %	CE, %	CE/CD	CD reaction time, msec	CE reaction time, msec	A’	Bias (β)
1	No	No	46	83.2 ± 10.2	25.4 ± 15.5	0.302 ± 0.160	455 ± 66	447 ± 74	0.869 ± 0.055	−0.178 ± 0.521
2	No	Yes	50	82.9 ± 10.3	32.1 ± 14.0	0.390 ± 0.165	492 ± 73	494 ± 75	0.839 ± 0.068	−0.342 ± 0.431
3	Yes	No	21	76.8 ± 15.0	23.8 ± 14.9	0.322 ± 0.196	559± 87	541 ± 101	0.841 ± 0.089	−0.004 ± 0.499
4	Yes	Yes	16	78.7 ± 11.0	29.6 ± 13.8	0.381 ± 0.168	497 ± 74	492 ± 91	0.826 ± 0.072	−0.198 ± 0.410
GLM F (1,123)		Bipolar		6.6**	0.6	0.1	9.7 ***	7.5**	2.4	4.3*
		ASPD,		0.1	2.0	1.97	0.2	0.2	1.2	1.9
		Bipolar × ASPD		0.6	0.4	0.1	15.4***	12.6***	0.1	0.4
		Age		0.1	0.5	0.6	6.2*	6.3*	0.4	0.6
		Education		0.1	8.5***	8.7***	1.5	0.3	5*	3.6
Post hoc, Tukey HSD (p < 0.05)				None	None	None (1 vs 2, 0.06)	3 vs 1, 2, or 4	3 vs 1, 2, or 4	None	None (2 vs 3, 0.06)

Significance of F:

^*p < 0.05,

^**p < 0.01,

^***p < 0.005

G=Group; ASPD=Antisocial personality disorder; BP=bipolar disorder; CD=Correct Detections; CE=Commission errors; A’=discriminability (0.5-1, higher is better); for β (−1 to 1), lower is impulsive bias, higher is conservative bias.