Table 3. Between group differences in mismatch responses by region and emotion stimulus.

			Deviant vs. Standard				Between Group Difference in Mismatch Signal
			Control Group		Schizophrenia Group
Condition	Time Window	Region of Interest (ROI)	LSMean(SE)	p value	LSMean(SE)	p value	Effect size (Cohen’s D)
	170–220 ms	Pre-Frontal	0.10 (0.25)	–	0.41 (0.25)	–	0.26
		Central	0.48 (0.20)	0.024	0.10 (0.20)	–	0.38
		Temporal Left	−0.21 (0.15)	–	−0.28 (0.15)	0.064	0.09
		Temporal Right	−0.54 (0.21)	0.014	−0.08 (0.21)	–	0.45
		Occipital Left	−0.52 (0.24)	0.035	−0.54 (0.24)	0.027	0.02
Fear		Occipital Right	−0.55 (0.23)	0.018	−0.39 (0.23)	0.087	0.15
	250–360 ms	Pre-Frontal	0.25 (0.26)	–	0.28 (0.26)	–	0.02
		Central	0.57 (0.25)	0.024	−0.06 (0.25)	–	0.53
		Temporal Left	−0.38 (0.20)	0.056	0.01 (0.20)	–	0.42
		Temporal Right	−0.67 (0.18)	<.001 *	−0.02 (0.18)	–	0.75 a
		Occipital Left	−0.61 (0.18)	0.001 *	−0.41 (0.18)	0.027	0.23
		Occipital Right	−0.60 (0.18)	0.002 *	−0.43 (0.18)	0.021	0.19
	170–220 ms	Pre-Frontal	−0.31 (0.23)	–	0.09 (0.23)	–	0.36
		Central	0.61 (0.14)	<.001 *	0.07 (0.14)	–	0.81 a
		Temporal Left	−0.57 (0.20)	0.007 *	0.32 (0.20)	–	0.89 a
		Temporal Right	−0.24 (0.20)	–	−0.12 (0.20)	–	0.12
		Occipital Left	−0.51 (0.27)	0.064	−0.12 (0.27)	–	0.30
Happy		Occipital Right	−0.38 (0.27)	–	−0.20 (0.27)	–	0.14
	250–360 ms	Pre-Frontal	−0.06 (0.21)	–	0.19 (0.21)	–	0.25
		Central	0.45 (0.13)	0.002 *	0.00 (0.13)	–	0.68 a
		Temporal Left	−0.38 (0.19)	0.053	0.30 (0.19)	–	0.73
		Temporal Right	−0.26 (0.19)	–	0.01 (0.19)	–	0.29
		Occipital Left	−0.70 (0.21)	0.001 *	−0.18 (0.21)	–	0.53
		Occipital Right	−0.43 (0.22)	0.054	−0.10 (0.22)	–	0.31

^*p<0.05 significant difference in ERPs to deviant and standard stimuli (significant mismatch signal) after Hochberg correction for multiple comparisons.

^ap<0.05 significant difference in mismatch signal between groups.