Table 2.

Correlations between the MMN Difference Waveform Amplitude, CU Traits and Control Variables

	1.	2.	3.	4.	5.	6.	7.
1. Fear MMN amplitudes	-
2. Happy MMN amplitudes	−0.03	-
3. Callous-uncaring traitsa	0.56**	−0.38†	-
4. Unemotional traitsa	0.17	−0.13	0.10	-
5. ICU total scorea	0.56**	−0.31	0.92***	0.50**	-
6. Conduct problems	0.01	−0.06	0.42*	−0.11	0.31	-
7. Age (months)	−0.03	0.11	0.00	0.28	0.15	0.03	-

Note:

^aData on CU traits were missing for one child.

^*p ≤ .05

^**p ≤ .01

^***p ≤ .001

^†p = .054