Table 2.

Baseline and repeated behavioral task measures in bipolar and healthy subjects, including the degraded stimulus continuous performance task (DSCPT), a delayed reward task, and the Logan Stop Signal Task (SST).

Measure →	Logan SST	Delayed Reward		DSCPT
Subgroup	SSRT	RT	%imp	RT	A′	B″
Healthy subjects,
Baseline measures (N=48)	153 (42)	866 (439)	33 (22)	531 (76)	0.89 (0.11)	0.67 (0.35)
Repeat measures (N=35)	152 (37)	731 (440)	28 (23)	543 (72)	0.91 (0.09)a	0.69 (0.30)
ICC: baseline to repeat	0.41	0.64	0.26	0.60	0.76	0.61
BPD, baseline (manic) measures (N=108)	190 (72)b	1383 (1205)c	47 (28)d	545 (69)	0.83 (0.14)e	0.53 (0.38)f
Subgroup developing depression (N=26)
Baseline (manic) measures	177 (48)	1394 (1369)	47 (29)	560 (62)	0.85 (0.10)	0.58 (0.37)
Depressed measures	134 (42)g	1077 (648)h	39 (28)i	595 (62)j,k	0.89 (0.08)l	0.69 (0.29)
ICC: manic to depressed	0.35	0.14m	0.53	0.50	0.47	0.56
Subgroup achieving euthymia (N=31)
Baseline (manic) measures	208 (82)	1139 (1128)	48 (27)	566 (64)	0.86 (0.16)	0.50 (0.47)
Euthymia measures	167 (42)n	900 (413)	31 (26)o	590 (73)p	0.90 (0.09)	0.67 (0.28)q
ICC: manic to euthymic	0.24	0.04r	0.14	0.63	0.29s	0.50

^aSignificant difference from baseline, paired t(31)=2.2, p=.04.

^bSignificant difference from healthy subjects, F(1,113)=5.1, p=.03.

^cSignificant difference from healthy subjects, F(1,149)=7.4, p=.007.

^dSignificant difference from healthy subjects, F(1,149)=9.0, p=.003.

^eSignificant difference from healthy subjects, F(1,146)=5.0, p=.03.

^fSignificant difference from healthy subjects, F(1,146)=3.8, p=.05.

^gSignificant difference from baseline (manic) measure, paired t(16)=2.5, p=.02.

^hSignificant difference from healthy subjects, F(1,51)=4.4, p=.04.

ⁱSignificant difference from baseline (manic) measure, paired t(23)=2.2, p=.04.

^jSignificant difference from healthy subjects repeat measure, F(1,51)=4.8, p=.03.

^kSignificant difference from baseline (manic) measure, paired t(23)=2.7, p=.01.

^lSignificant difference from healthy subjects, F(1,51)=5.7, p=.02.

^mSignificantly less stable than healthy subjects, z(1)=2.17, p=.03.

ⁿSignificant difference from baseline (manic) measure, paired t(16)=2.3, p=.04.

^oSignificant difference from baseline (manic) measure, paired t(30)=2.8, p=.009.

^pSignificant difference from baseline (manic) measure, paired t(29)=2.3, p=.03.

^qSignificant difference from baseline (manic) measure, paired t(29) =2.7 p=.01.

^rSignificantly less stable than healthy subjects, z(1)=2.69, p=.007.

^sSignificantly less stable than healthy subjects, z(1)=2.61, p=.009.