Table 1. The modulations of COMT Val158Met on attentional bias.

Attentional bias	Met/Met (36) & Val/Met (231)	Val/Val (377)	t (642)	P
Cue validities
Positive expressions	−15.57±1.88	−14.57±1.70	0.39	0.70
Neutral expressions	−23.74±1.81	−22.80±1.64	0.38	0.70
Negative expressions	−18.97±1.87	−18.66±1.61	0.13	0.90
Engagements
Negative expressions	3.94±0.88	1.31±0.77	2.24	0.03
Positive expressions	3.87±0.94	2.08±0.83	1.42	0.16
Disengagements
Negative expressions	0.83±0.81	2.83±0.73	1.81	0.07
Positive expressions	4.30±0.98	6.15±0.89	1.39	0.17