Table 2.

Results of whole-brain between-subjects t-test identifying Brain regions predicting high and low optimism bias

Brain region	BA	x	y	z	t	Voxels
Low > high optimism bias
Right mPFC	11	18	23	−9	3.79	30
Right mPFC	11	3	40	−25	3.43	30
Left dorsomedial prefrontal cortex	8	−6	42	31	3.60	13
Left posterior cingulate gyrus	31	−12	−48	25	3.55	36
Right middle temporal gyrus	20	48	−27	−9	3.67	17
Right superior occipital gyrus	19	24	−66	12	3.21	12
High > low optimism bias
Left medial frontal gyrus	6	−6	−21	45	3.58	17
Right temporal pole	21	60	−6	−3	3.48	12
Right postcentral gyrus	1/3	30	−30	57	3.39	12
Hippocampus		−27	−12	−12	3.39	11

Note: Regions listed exceeded threshold of P < 0.005, uncorrected, with at least 10 contiguous voxels. Coordinates represent spatial location of activation in Talairach and Tournoux (1988) atlas space.