Table 3. Descriptive Statistics for the Emotional N-back Task Performance.

	ADHD		ALC		CON		Group	N-back	N-back x Group	Emotion	Emotion x Group
	M	SD	M	SD	M	SD	F(2,60)	F(1,60)	F(2,60)	F(2,120)	F(4,120)
Reaction Time (ms)							3.25*	0.43	0.44	0.55	3.75**
1-back
neu	568.97	133.42	633.38	158.32	535.26	153.06
low	549.50	149.97	674.90	158.63	534.39	147.44
high	632.89	168.32	692.43	134.38	581.55	159.67
2-back
neu	676.51	214.79	725.01	167.03	585.75	190.45
low	580.01	157.57	672.03	188.44	584.76	171.96
high	711.76	236.21	719.69	150.51	599.79	185.79

ADHD =  Subjects with ADHD, ALC =  Alcoholics, CON =  Controls. Group  =  between-subjects effect of experimental group membership, N-back  =  within-subjects effect of task difficulty, N-back x Group  =  within-between-subjects interaction effect, Emotion  =  within-subjects effect of the emotional salience of the background picture stimuli, Emotion x Group  =  within-between-subjects interaction effect. M =  Mean, SD =  Standard Deviation. neu  =  neutral pictures, low  =  low emotional salience, high  =  high emotional salience. ⁽*⁾p<.10, *p<.05, **p<.01, *** p<.001.