Table 2.

Descriptive statistics and reliability data for the ERP and reaction time indices.

	MDD mothers	Never depressed mothers	Split-half reliability	Retest reliability
N2pc
Angry contralateral	2.48 (3.63)	1.58 (3.31)	.92	.58
Angry ipsilateral	2.79 (3.29)	2.33 (2.75)	.89	.55
Happy contralateral	2.38 (3.41)	1.41 (2.99)	.89	.69
Happy ipsilateral	2.65 (3.34)	2.11 (2.74)	.88	.54
Sad contralateral	2.72 (3.21)	1.35 (2.92)	.89	.78
Sad ipsilateral	1.93 (2.69)	1.72 (2.28)	.84	.33
SPCN
Angry contralateral	0.24 (5.04)	−0.25 (3.16)	.58	.35
Angry ipsilateral	1.40 (4.73)	1.30 (2.97)	.51	.20
Happy contralateral	−0.39 (4.65)	−0.60 (2.62)	.50	.32
Happy ipsilateral	1.03 (4.60)	1.17 (2.69)	.47	.25
Sad contralateral	−0.02 (3.12)	−0.52 (2.69)	.31	.42
Sad ipsilateral	0.89 (3.18)	1.05 (2.82)	.33	.27
P3b
Angry frequent	5.30 (3.80)	5.15 (4.37)	82	.49
Angry rare	9.62 (6.15)	9.33 (5.54)	.58	.48
Happy frequent	5.42 (3.97)	5.75 (4.25)	.80	.60
Happy rare	9.00 (5.79)	8.79 (6.33)	.69	.36
Sad frequent	5.83 (3.67)	6.03 (4.40)	.71	.60
Sad rare	8.99 (4.62)	10.54 (5.71)	.50	.62
RT bias scores
Angry	−10.10 (45.19)	4.91 (34.45)	−.04	.03
Happy	−1.05 (43.90)	4.51 (39.10)	−.36	−.06
Sad	−8.41 (47.81)	5.89 (35.14)	−.05	.05