Table 3. The brain areas activated in 4-digit visual mental addition, in contrast to the visual control task (family-wise-error corrected p<0.001).

Anatomical Localization		Coordinates			Cluster (Voxels)	Z-Value
		X (mm)	Y (mm)	Z (mm)
Superior Parietal Lobule	BA 7	−22	−70	60	577	11.34
	BA 7	−32	−52	56		11.17
Superior Parietal Lobule	BA 7	18	−64	52	676	9.46
	BA 7	34	−46	48		8.89
	BA 7	36	−54	52		7.98
Middle Frontal Gyrus	BA 6	26	−4	50	135	8.45
Middle Frontal Gyrus	BA 6	−22	−14	54	147	8.11
Inferior Parietal Lobule	BA 40	42	−28	40	86	7.87
Inferior Parietal Lobule	BA 40	−50	−40	50	60	6.98
Inferior Frontal Gyrus	BA 9	−58	14	28	54	6.79
Precentral Gyrus	BA 4	−54	−14	26	47	6.67
Inferior Frontal Gyrus	BA 45	54	14	20	38	5.82