Table 3.

Brain regions with significant positive correlations between GMC and brain activity during the 2‐back task

Area		x	y	z	T score	Corrected P value (FWE)	Cluster size (mm3)	Activated regions (%)a	Deactivated regions (%)a	GMC 0–0.1 (%)	GMC 0.1–0.2 (%)	GMC 0.2–0.3 (%)	GMC≥ 0.3 (%)
Middle occipital lobe/inferior parietal lobule/angular gyrus	L	−27	−57	33	9.42	< 0.001	3,159	100	0	28.2	25.6	22.2	23.0
Precentral gyrus/middle frontal gyrus	L	−24	−3	39	8.42	< 0.001	1,863	100	0	39.1	27.5	21.7	11.7
Middle frontal gyrus	R	24	3	42	7.49	< 0.001	1,080	100	0	45.0	30.0	17.5	7.5
Inferior parietal lobule	R	33	−48	33	7.08	< 0.001	2,214	100	0	26.8	30.5	26.8	15.9
Precentral gyrus	L	−36	−3	27	7.02	< 0.001	729	100	0	25.9	37.0	22.2	14.9
Supplementary motor area	L	−9	12	48	6.71	< 0.001	513	100	0	0	0	68.4	31.6
Subgyral (close to the Inferior frontal gyrus)	L	−30	24	18	6.56	< 0.001	405	100	0	40.0	53.3	6.6	0
Ventricle area (close to the caudate)	L	−9	12	18	5.49	0.002	189	0	0	0	57.1	42.9	0
Superior frontal gyrus	L	−24	42	12	5.44	0.002	54	100	0	0	50.0	50.0	0
Ventricle area (close to the caudate)	L	−12	−21	24	5.21	0.006	270	0	0	0	30.0	60.0	0
Ventricle area (close to the thalamus)		3	−9	18	5.11	0.009	54	100	0	0	0	0	100
Subgyral (close to the inferior frontal gyrus)	L	−36	15	24	4.89	0.022	54	100	0	0	0	0	100
Supramarginal gyrus	L	−45	−42	36	4.87	0.023	54	100	0	0	0	0	100
Ventricle area (close to the caudate)	L	−12	−27	21	4.84	0.027	54	0	0	0	50.0	50.0	0
Caudate	L	−12	18	12	4.73	0.041	27	0	0	0	0	0	100
Ventricle area (close to the caudate)	L	−18	−36	15	4.70	0.046	27	0	0	0	100	0	0

^aPercentage of voxels that showed activation/deactivation during the 2‐back task in one‐sample t‐test (P < 0.05, corrected for multiple comparisons at voxel‐level FWE at the whole‐brain level).