Table 1.

Brain activations in (Cooperation_Task > Individual_Task) and (Competition_Task > Individual_Task) contrasts.

Region	BA	R/L	Talairach coordinate			Voxel (k)	z-value
			x	y	z
Cooperation_Task > Individual_Task
Dorsomedial prefrontal cortex∗	32	R	13	32	19	914	4.67
	8	L	-7	23	51	54	3.62
Thalamus∗	50	L	-13	-13	8	156	4.59
	50	R	9	-11	3	19	3.49
Caudate nucleus∗	48	L	-6	11	2	291	4.56
	48	R	9	11	0	37	3.67
Dorsolateral prefrontal cortex∗	8	R	22	24	43	243	4.50
	8	L	-41	10	34	201	3.99
	9	R	27	39	25	48	3.73
Temporal pole∗	38	L	-36	8	-23	155	4.38
	38	R	27	6	-24	79	3.61
Posterior cingulate cortex∗	23	L	-5	-48	21	107	4.00
Ventrolateral prefrontal cortex∗	44	R	58	20	25	52	3.89
	47	R	47	22	-2	16	3.55
	45	L	-54	19	22	22	3.49
Temporoparietal junction∗	39	L	-51	-49	20	43	3.50
Primary visual cortex∗	17	R	16	-81	11	11	3.40
Superior parietal lobe∗	19	L	-20	-63	27	19	3.30
Angular gyrus∗	39	L	-56	-60	30	10	3.30
Competition_Task > Individual_Task
Dorsolateral prefrontal cortex	9	L	-33	27	25	231	4.62
	8	R	24	18	39	32	4.27
	9	R	27	38	25	233	4.13
Premotor cortex	6	R	18	20	55	91	3.97
Primary sensory cortex	1	R	48	-15	48	33	3.94
Angular gyrus	39	L	-60	-47	21	18	3.85
Superior temporal gyrus	22	L	49	-47	7	28	3.62
Thalamus	50	R	9	-13	13	17	3.60
Caudate nucleus	48	R	17	11	3	42	3.58
	48	L	-13	8	13	11	3.47
Primary visual cortex	17	R	16	-75	9	23	3.57
Lingual gyrus	19	L	-15	-48	0	52	3.53
	19	R	25	-50	2	64	3.38

^∗p = 0.06 FDR corrected, extent threshold k > 10. p < 0.001 uncorrected, extent threshold k > 10.