Table 2.

Group differences in LPP amplitude.

LPP Difference Score Magnitude (μV)
	Schizophrenia mean (SD)	Affective psychosis mean (SD)	p-value
Angry	0.57 (4.1)	0.65 (4.4)	0.93
Afraid	1.44 (3.17)	1.21 (5.6)	0.84
Sad	0.44 (5.0)	0.67 (4.5)	0.84
Happy	0.64 (4.2)	0.45(3.8)	0.84
Average	0.77 (3.0)	0.74 (3.9)	0.97

SD, standard deviation.