Table 3. Quantitative results, including the average beta values (i.e., high-memory-load activation) and the average z scores (i.e., ECN connectivity), within the ICA-derived ECN regions in APOE-ε4 carriers and non-carriers.

		Average beta values		Average z scores
Region	Side	APOE-ε4 carriers	APOE-ε4 non-carriers	APOE-ε4 carriers	APOE-ε4 non-carriers
Medial Frontal Gyrus	L	-0.37 ± 0.55	0.02 ± 0.66	0.23 ± 0.13	0.18 ± 0.19
Middle Frontal Gyrus	L	-0.41 ± 0.38	0.06 ± 0.43*	0.2 ± 0.09	0.17 ± 0.11
Inferior Frontal Gyrus	L	-0.74 ± 0.69	0.16 ± 0.74*	0.43 ± 0.21	0.36 ± 0.34
Precentral Gyrus	R	-0.38 ± 0.42	-0.02 ± 0.65	0.35 ± 0.16	0.29 ± 0.16
Superior Temporal Gyrus	R	-0.28 ± 0.67	-0.12 ± 0.88	0.33 ± 0.15	0.25 ± 0.2
Middle Temporal Gyrus	L	-0.5 ± 0.51	0.08 ± 0.42*	0.09 ± 0.17	0.22 ± 0.21
	R	-0.16 ± 0.6	-0.07 ± 0.6	0.12 ± 0.3	0.24 ± 0.24
Angular Gyrus	L	-0.48 ± 0.83	0.04 ± 0.57	0.14 ± 0.14	0.18 ± 0.19
Inferior Parietal Lobule	L	-0.56 ± 1.28	0.1 ± 0.72	0.18 ± 0.17	0.21 ± 0.2
Cingulate Gyrus	L	-0.2 ± 0.74	0.33 ± 0.66	-0.01 ± 0.11	0 ± 0.15
Anterior insula	L	-0.17 ± 0.17	0.13 ± 0.45	0.18 ± 0.13	0.03 ± 0.13*
	R	-0.26 ± 0.37	0.06 ± 0.47	0.28 ± 0.21	0.05 ± 0.14*

*: p < 0.05, compared with APOE-ε4 carriers.

ECN = executive control network; ICA = independent component analysis; L = left hemisphere; R = right hemisphere.