Table 2.

Distinct brain activities between different Unequal conditions

Side	Region	Peak activation			t value	Voxels
		X	Y	Z
Unequal-single–Unequal-both
R	Rolandic operculum	44	−4	14	8.33	57 552
L	AI	−34	26	2	6.21
R		26	18	−18	5.27
R	Anterior cingulate cortex	8	22	28	5.34
R	Linual gyrus	40	−82	−18	3.66	16
Unequal-both–Unequal-single
R	DLPFC	44	22	44	4.21	108

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