TABLE 2.

Main effect of change in observed and observer's pupil size

Side Region	x	y	z	Z score	cluster p value
R vPCC	8	−40	4	4.17	20	< .001
L Amygdala	−12	−2	−16	4.17	15	< .001
L Dorsolateral pons	−18	−36	−22	4.09	221	< .001
R Dorsolateral pons	14	−34	−26	3.75	89	< .001
L Precentral gyrus	−36	−20	38	3.69	20	< .001
R Posterior Insula	42	−20	12	3.67	14	< .001
Region of interest analysis
R aMCC	8	32	18	3.51	15	< .005
L Superior Temporal Sulcus	−60	−42	4	3.22	27	< .005

Notes: aMCC anterior mid cingulate cortex, vPCC ventral posterior cingulate cortex following Vogt (Vogt, 2005).