Table 2.

Significant clusters correlating with second-party (SP) and third-party (TP) in Division and Response screen (peak MNI coordinates are reported; svc: small volume correction, based on a-priori defined areas).

Brain region	Lateral	x	y	z	K (cluster size)	Z	pfwe-corr
(a) Main effect of Injustice - DivUnfair-DivFair (Option model)
Superior Parietal Lobule	R	29	−63	38	82	Inf	0.013
Superior Parietal Lobule	L	−30	60	46	92	Inf	0.009
Thalamus	R	22	−28	0	151	4.71	0.001
Pallidum	L	−10	7	4	162	4.66	0.001
DLPFC – Middle Frontal Gyrus	L	−41	7	32	27	4.84	0.041 (svc)
AIns	L	−34	18	4	23	5.85	0.05 (svc)
AIns	R	32	21	7	24	5.47	(svc)
(b) Main effect of Target – DivSP-DivTP (Option model)
Fusiform Gyrus	L	−38	−52	−18	269	4.96	<0.001
Fusiform Gyrus	R	40	−56	−18	120	4.31	<0.001
Superior Parietal Lobule	R	29	−66	32	79	4.15	0.008
Inferior Occipital Gyrus	R	32	−91	0	72	3.97	0.012
(c) Deciding in SP vs TP - RespSP-RespTP_LT (Option model)
MPFC/ACC	L	−6	38	7	198	4.94	<0.001
Middle Occipital Gyrus	L	−48	−77	7	113	6.14	<0.001
Precuneus	L	6	−56	14	78	4.63	0.013
Posterior cingulate gyrus	L	−2	32	46	150	4.83	0.001
Planum Temporale	R	54	−32	21	758	5.54	<0.001
Superior Temporal Gyrus	L	−62	−10	4	719	5.47	<0.001
Striatum -Putamen	R	29	−14	7	62	4.49	0.006 (svc)
Striatum -Putamen	L	−24	4	−10	45	4.41	0.016 (svc)
(d) Deciding in TP vs SP – RespTP_LT-RespSP (Option model)
Calcarine Cortex	L	−13	−91	−7	723	6.90	<0.001
Superior Parietal Lobule	R	29	−63	38	80	4.38	<0.001
(e) Deciding to punish in SP vs TP – RespSPpun-RespTPpun (Choice model)
ACC/White matter	R	22	38	10	89	4.60	0.005