Table 3.

Clusters of the grey matter volume differences associated with both [High Social Intelligence > Low Social Intelligence] and [Low Social Intelligence > High Social Intelligence] contrasts, minimal cluster size (k = 30)

Region (L—left, R—right)	cluster size (k)	T score	MNI coordinates
			x	y	z
High social intelligence > Low social intelligence
R Caudate, L caudate	824	4.85	11	6	9
L Posterior insula	183	4.61	− 42	− 14	8
L Inferior parietal lobule	113	4.08	− 41	− 54	57
L Inferior temporal gyrus	115	3.89	− 48	− 57	− 8
L Middle occipital gyrus	68	3.87	− 48	− 83	9
L Precentral gyrus	66	3.84	− 57	− 6	15
Low social intelligence > High social intelligence
L Middle frontal gyrus	67	4.59	− 36	38	42
L Inferior temporal gyrus	185	4.12	− 38	− 5	− 41