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Table 2 Correlation slopes between electrophysiological measures and verbal or performance IQ scores in the CTRL and ASD children groups and between-group comparisons

From: Emotional prosodic change detection in autism Spectrum disorder: an electrophysiological investigation in children and adults

 

Verbal IQ

Performance IQ

CTRL

ASD

Group difference

CTRL

ASD

Group difference

MMN amplitude (Cz, CPz, Pz)

 Neutral

.02 [−.03; .11] p = .57

−.01 [−.05; .03] p = .55

.03 p = .25

−.06 [−.15; .01] p = .21

.02 [−.04; .08] p = .61

−.08 p = .09

 Emotional

−.01 [−.08; .11] p = .84

.00 [−.03; .05] p = .76

−.01 p = .59

−.02 [−.14; .07] p = .71

.06 [−.01; .12] p = .10

−.08 p = .03

MMN emotional laterality effect (C4, CP4, P4)

.01 [−.06; .10] p = .87

.04 [−.01; .09] p = .10

−.03 p = .26

−.01 [−.12; .08] p = .88

.04 [−.03; .13] p = .35

−.05 p = .23

MMN latency (Cz)

 Neutral

−.16 [− 1.17; .56] p = .61

−.07 [−.41; .33] p = .70

−.09 p = .75

−.29 [−.83; .49] p = .46

−.06 [−.73; .63] p = .84

−.23 p = .49

 Emotional

−.08 [−.82; .89] p = .80

−.03 [−.32; .34] p = .87

−.05 p = .88

−.14 [−.74; .50] p = .73

.32 [−.24; 1.29] p = .40

−.46 p = .11

P3a amplitude (Fz, FCz, Cz)

 Neutral

.00 [−.09; .10] p = .95

−.04 [−.09; .03] p = .20

.04 p = .27

−.03 [−.14; .10] p = .63

−.03 [−.16; .10] p = .68

−.00 p = .96

 Emotional

−.03 [−.10; .04] p = .48

−.07 [−.14; −.00] p = .11

.04 p = .47

.05 [−.03; .16] p = .34

−.05 [−.26; .06] p = .53

.10 p = .49

P3a latency (FCz)

 Neutral

.05 [− 1.24; .88] p = .92

−.22 [− 1.09; .27] p = .42

.27 p = .50

.38 [−.84; 1.17] p = .48

−.61 [− 1.41; .15] p = .17

.99 p = .04

 Emotional

.45 [−.29; .89] p = .20

−.12 [− 1.07; .35] p = .68

.57 p = .08

−.35 [− 1.15; .62] p = .42

−.32 [− 1.56; .55] p = .52

−.03 p = .95

  1. All results displayed in black are non-significant (Bonferroni-corrected p value threshold: p = .0056; nine correlations in each group)