Table 2.

Peak activations for each task and center of gravity for overlapping regions.

Tasks	Anatomical label	MNI x,y,z	z	Voxels in cluster
Action execution	Post central gyrus	−4, −50, 74	4.87	60
	Precentral gyrus	−32, −10, 52	6.51	415
		−60, 4, 14	5.58	59
		−54, 6, 28	4.57	57
		−48, −4, 42	5.45	15
	Cingulate gyrus/SMA	−8, 2, 42	5.98	391
	SMA	2, −6, 70		14
	Supramarginal gyrus	−46, −36, 42	6.64	1047
	Superior frontal gyrus	−20, −6, 72	5.33	22
	Opercular cortex	−48, 0, 0	5.3	29
	Lateral occipital cortex	−40, −74, 0	5.23	97
		−22, −70, 32	4.68	14
Language comprehension	Pre−central gyrus	−44, 0, 42	6.54	926
	Inferior frontal gyrus	−56, 14, 18	5.5	110
	Middle temporal gyrus	−54, −48, 6	6	191
	SMA	−2, −2, 70	5.73	207
	Precuneous	0, −68, 60	5.89	566
	Superior parietal lobule	−32, −60, 42	6.22	166
	Fusiform cortex	−44, −44, −20	6.14	110
	Lateral occipital cortex	−24, −72, 30	5.28	28
Execution + language areas (center of gravity)	Precentral gyrus/middle frontal gyrus (dorsal premotor—dPM)	−34, −7, 55		419
	Precentral Gyrus (ventral pre-motor—vPM)	−50, 0, 33		351
	Parietal lobe	−34, −52, 40		410
	Supplementary motor area	−1, 3, 52		324

Coordinates are given for the left hemisphere, which were analogous to those in the right hemisphere. Cluster sizes are given for the GRF-based corrected images at a threshold of z = 4.5.