Table 1.

Peak-level activation foci showing overall load-dependent activity in the visual array and verbal WM tasks

Anatomical region	ANOVA							Load 6 > load 2					Load 2 > load 6
	BA area	No. voxels	Left/right	x	y	z	SPM {Z}-value	No. voxels	x	y	z	SPM {Z}-value	No. voxels	x	y	z	SPM {Z}-value
Visual array
Dorsal attention network
Superior frontal gyrus	6		L					2	−26	−6	54	3.21*
Superior frontal gyrus	6	5	R	24	4	50	3.23*	107	24	4	50	3.68*
Intraparietal sulcus (anterior)	40							5	−36	−42	42	3.18*
Intraparietal sulcus (posterior)	7	40	L	−22	−64	42	3.70*	153	−22	−64	42	4.10*
Intraparietal sulcus (posterior)	7	57	R	24	−62	52	3.96**	13	22	−60	46	3.43*
Verbal WM
ACC/SMA	6/32	350	B	−6	6	60	5.02	369	−6	6	60	5.27
Posterior cingulate	30		B										1418	4	−50	18	4.80
Precentral gyrus	6	825	L	−52	0	46	5.20	1450	−52	0	46	5.63
Cerebellum	VI	745	R	36	−62	−32	5.21	2271	36	−62	−32	5.46
Lingual gyrus	17	309	L	−14	−86	2	5.07		−14	−86	2	5.47
Insula	13		R										1428	40	−12	−4	4.82
Middle temporal gyrus	21		L										1302	−52	−18	−18	4.87
Dorsal attention network
Superior frontal gyrus	6	27	L	−24	2	54	3.65*	132	−24	2	54	3.63*
Superior frontal gyrus	6	25	R	28	2	54	3.70*	1	30	2	56	3.11*
Intraparietal sulcus (anterior)	40	156	L	−38	−40	38	4.07*	73	−36	−40	40	3.83*
Intraparietal sulcus (posterior)	7	184	L	−26	−62	48	3.95*	236	−26	−62	48	4.21*
Intraparietal sulcus (posterior)	7	2	R	26	−62	48	3.45*	6	26	−62	48	3.51*
Ventral attention network
Orbito-frontal cortex	11/47	2245	L	−10	54	18	5.07						3993	−10	54	18	5.47
	47			−34	32	−14	3.75*						49	−36	32	−14	4.22*
	47			28	30	−14	3.73*						71	28	30	−14	4.28*
Temporo-parietal junction	39	604	L	−50	−64	28	5.15						978	−50	−64	28	5.46
Temporo-parietal junction	39		R										76	52	−58	26	3.52*

Note: If not otherwise stated, regions are significant at P < 0.05, with voxel-level FWE corrections for whole-brain volume.

*P < 0.05, small volume corrections, for regions-of-interest; **P < 0.001, uncorrected.