TABLE 6.

Difference, 95% CI, and p-values of the post hoc comparisons for significant main effects of group and task.

	Effect	Contrast	5% CI	95% CI	p-value
Delta	Task	D1-RS	–1.2980921	2.103904	0.842
		D2-RS	–0.7001874	2.736718	0.343
		D2-D1	–1.0595261	2.290245	0.661
Theta	Task	D1-RS	–0.6079469	2.226128	0.370
		D2-RS	–0.185484	2.677673	0.102
		D2-D1	–0.9582807	1.832289	0.740
A0	Group	MMSE 24–27-MMSE < 24	–7.528808	1.1597942	0.232
		MMSE ≥ 28-MMSE < 24	–10.835796	–2.470839	<0.001***
		Healthy Young-MMSE < 24	–23.459068	–15.6007404	<0.001***
		MMSE ≥ 28-MMSE 24–27	–7.750391	0.8127688	0.157
		Healthy Young-MMSE 24–27	–20.379889	–12.3109055	<0.001***
		Healthy Young-MMSE ≥ 28	–16.736289	–9.016884	<0.001***
	Task	D1-RS	–3.251085	3.169276	1.000
		D2-RS	–2.729867	3.756377	0.926
		D2-D1	–2.606741	3.71506	0.910
ST4	Group	MMSE 24–27-MMSE < 24	0.1691464	6.382411	0.03438*
		MMSE ≥ 28-MMSE < 24	2.033485	8.01531	<0.001***
		Healthy Young-MMSE < 24	2.7283392	8.347871	<0.001***
		MMSE ≥ 28-MMSE 24–27	–1.3131616	4.810399	0.452
		Healthy Young-MMSE 24–27	–0.6227604	5.147413	0.180
		Healthy Young-MMSE ≥ 28	–2.2463862	3.273801	0.963
VC9	Group	MMSE 24–27-MMSE < 24	–2.483054	4.1764543	0.9123
		MMSE ≥ 28-MMSE < 24	–1.794501	4.616945	0.6648
		Healthy Young-MMSE < 24	–6.327589	–0.3044569	0.0246*
		MMSE ≥ 28-MMSE 24–27	–2.717159	3.8462025	0.9704
		Healthy Young-MMSE 24–27	–7.25502	–1.0704265	0.0033**
		Healthy Young-MMSE ≥ 28	–7.685571	–1.7689184	<0.001***
	Task	D1-RS	–0.9079706	4.013011	0.2978
		D2-RS	0.0875287	5.059007	0.0406*
		D2-D1	–1.4019719	3.443467	0.5808
RTs	Group	MMSE 24–27-MMSE < 24	–1872.9582	177.336	0.14217
		MMSE ≥ 28-MMSE < 24	–2534.7131	–574.4962	<0.001***
		Healthy Young-MMSE < 24	1099.0414	3003.1676	<0.001***
		MMSE ≥ 28-MMSE 24–27	–325.5364	1739.1236	0.28639
		Healthy Young-MMSE 24–27	197.5515	2209.0354	0.01207*

Significant effects are presented in bold (*p < 0.05, **p < 0.01, ***p < 0.001).