Table I.

ANOVA results with the F‐value, P‐value, and significance level for the main and interaction effects

	Theta full band (θ)		Low theta band (θ1)		High theta band (θ2)
	F	P	F	P	F	P
Group	0.61	0.4356	0.02	0.8972	1.47	0.2290
Valence	16.93	<0.0001***	25.99	<0.0001***	3.99	0.0494*
Amount	1.92	0.1696	11.29	0.0012**	0.40	0.5290
Region	533.48	<0.0001***	415.72	<0.0001***	434.54	<0.0001***
Group × valence	28.23	<0.0001***	33.15	<0.0001***	15.68	0.0002***
Group × amount	7.15	0.0092**	2.39	0.1267	5.63	0.0203*
Group × region	126.65	<0.0001***	49.37	<0.0001***	141.82	<0.0001***
Valence × amount	0.07	0.7851	0.00	0.9531	0.00	0.9833
Valence × region	28.87	<0.0001***	46.13	<0.0001***	8.94	<0.0001***
Amount × region	0.72	0.6083	1.27	0.2754	0.11	0.9895
Group × valence × amount	7.16	0.0092**	1.33	0.2524	13.60	0.0004***
Group × valence × region	8.36	<0.0001***	7.54	<0.0001***	5.91	<0.0001***
Group × amount × region	2.23	0.0510ms	0.53	0.7515	1.98	0.0809 ms
Valence × amount × region	0.86	0.5061	2.07	0.0684 ms	0.57	0.7226
Electrode (region)	31.57	<0.0001***	22.90	<0.0001***	24.67	<0.0001***
Age	0.59	0.4452	0.02	0.8820	1.40	0.2415
Age × group	0.81	0.3708	0.05	0.8246	1.80	0.1837
Age2	0.66	0.4198	0.04	0.8362	1.51	0.2237
Age2 × group	0.73	0.3969	0.03	0.8584	1.71	0.1949

The statistical significance is marked with asterisks.

^* P < 0.05;

^****P < 0.01;

^******P < 0.001; ^ms P < 0.10 (marginal significance).