Table 1.

Overall brain activities during Unequal trials compared with Equal trials

Side	Region	Peak activation			t value	Voxels
		X	Y	Z
Unequal–Equal
L	Supplementary motor area	−4	18	48	11.36	51 733
L	AI	−32	26	2	8.38
R		40	20	0	4.54
L	DLPFC	−40	56	4	5.07
R		34	6	56	4.25
L	Middle temporal gyrus	−52	−18	−10	5.81	433
L		−52	0	−20	3.91	26
R	Superior frontal gyrus	30	66	2	4.73	55
L	Medial temporal pole	−48	10	−30	4.71	76
R	Hippocampus	24	−38	−2	4.41	93
R	Fusiform gyrus	42	−14	−32	4.21	58
R	Superior temporal gyrus	50	−10	−8	4.16	93
R		58	−36	10	3.84	112
L	Superior medial gyrus	−6	56	38	3.71	26
L	Posterior insula	−32	−30	20	3.65	19
Equal–Unequal
	No regions

Note: Coordinates (mm) are in MNI space. L = left hemisphere; R = right hemisphere. P < 0.001(uncorrected), k > 15.