Table 2.

Results of the two-way repeated measures MANOVA of later somatosensory and auditory ERP components in response to deviant and standard stimuli in young and older adult groups.

	Age group Main effect			Stimulus type Main effect			Stimulus type × Age group Interaction
	F (df, error df)	p	η p 2	F (df, error df)	p	η p 2	F (df, error df)	p	η p 2
sMMR	2.73 (1,117)	<0.001***	0.023	24.57 (1,117)	<0.001***	0.174	5.24 (1,117)	0.024*	0.043
sP3a	0.32 (1,117)	0.575	0.316	83,40 (1,117)	<0.001***	0.416	0.12 (1,117)	0.730	0.001
aN1	16.52 (1,117)	<0.001***	0.124	324.09 (1,117)	<0.001***	0.735	10.63 (1,117)	0.001***	0.083
aMMN	1.93 (1,117)	0.168	0.016	127.35 (1,117)	<0.001***	0.521	0.37 (1,117)	0.541	0.003
aP2	1.72 (1,117)	0.192	0.015	44.20 (1,117)	<0.001***	0.274	11.65 (1,117)	0.001***	0.091

Df, degrees of freedom; η _p ², partial eta squared; p, statistical significance; *p < 0.05; **p < 0.01; ***p < 0.001.