Table S2.

Comparison of reward prediction errors between conditions

		Peak voxel
Brain region	L/R	x	y	z	k	t	z
Prosocial PE > self PE + no one PE
Subgenual anterior cingulate cortex/basal forebrain	L/R	0	6	−15	182	4.05	3.87
	L	−3	18	−6		3.6	3.47
	R	2	12	−9		3.33	3.22
Self PE + no one PE > prosocial PE
Middle frontal gyrus	L	−36	18	43	347	4.75	4.47
	L	−32	23	49		3.81	3.66
	L/R	0	−33	9	212	4.39	4.17
Inferior frontal gyrus	L	−54	39	−3	190	4.27	4.06
Supramarginal gyrus	L	−58	−46	33	124	3.94	3.77
Superior temporal gyrus	L	−58	−28	−2	114	3.94	3.77
Inferior parietal lobule	L	−64	−36	39	136	3.93	3.77
	L	−57	−28	30		3.20	3.11
Middle frontal gyrus	L	−50	39	24	298	3.70	3.56
	L	−38	45	28		3.51	3.39
	L	−32	54	27		3.46	3.34
Superior frontal gyrus	R	42	39	36	184	3.65	3.51
	R	33	51	37		3.57	3.44
Self PE > prosocial PE + no one PE
No suprathreshold voxels
No one PE > self PE + prosocial PE
Parrahippocampul gyrus	L	−26	−55	−8	320	4.6	4.35
		−26	−64	−9		3.88	3.72
Self PE + prosocial PE > no one PE
No suprathreshold voxels
Prosocial PE + no one PE > self PE
No suprathreshold voxels

For all regions, P < 0.001 voxel-level uncorrected, extent threshold k = 100. L, left; R, right.