Table 1.

Spatial coordinates of the local maxima of brain regions showing significant effects in the different contrasts

Contrast	Anatomical region	t value	Cluster size	P value	Stereotactic coordinates (x, y, z)
Error > correct	(R) posterior medial frontal cortex	9.13	1,025	<.001	4, 22, 36
	R insula	8.85	902	<.001	36, 20, 2
	L insula	6.48	632	<.001	−42, 18, −10
Duo > solo	L posterior parietal cortex	7.41	249	<.001	−34, −68, 52
	R posterior parietal cortex	7.41	144	<.001	42, −66, 48
	(R) medial prefrontal cortex	6.26	373	<.001	10, 38, 24
	L temporal pole	5.89	167	<.001	−42, 14, −16
Correctness ×  consequence (Error > correct (duo) > Error > correct (solo))	L medial prefrontal cortex	6.98	439	<.001	−10, 46, 42

Stereotactic coordinates correspond to the standard Montreal Neurological institute (MNI) brain