Table 4b. Correlations Between-Group Main Effect Primary Region-of-interest (ROI) Clusters and Impulsivity Scores.

ROIs	Correlations
	Brodmann area	Peak MNI coordinate			Impulsivity (Pearson's r)
					BAS score	BIS score	BIS-11	Zuckerman	BART
L ACC	24	−13	−17	39	−0.241c	NS	NS	NS	NS
L thalamus		−3	−27	2	−0.233c	NS	−0.362f	NS	NS
R lingual gyrus	18	9	−77	6	−0.268a	NS	−0.221c	NS	NS
R middle frontal gyrus	10	39	45	10	−0.242c	NS	NS	NS	NS
L superior temporal gyrus	38	−52	7	−7	−0.252b	NS	NS	NS	NS
R superior parietal lobule	7	30	−55	57	NS	NS	NS	NS	NS
R putamen	—	22	−5	19	−0.301d	NS	−0.317e	−0.264a	NS
R precentral gyrus/SMA	6	32	−17	58	NS	NS	NS	NS	NS
L postcentral gyrus	2	−44	−26	47	−0.259b	NS	NS	NS	NS
R declive	—	24	−53	−14	−0.413g	NS	NS	NS	NS
R precuneus	7	15	−75	43	NS	NS	NS	NS	NS

Abbreviations: ACC, anterior cingulate cortex; BART, Balloon Analog Risk Task; BAS, Behavioral Activation System; BIS, Behavioral Inhibition System; BIS-11, Barratt Impulsiveness Scale; L/R, left/right; ROI, regions of interest; Zuckerman, Sensation Seeking Scale.

All p-values are reported at the uncorrected level.

^ap<0.01.

^bp<0.02.

^cp<0.03.

^dp<0.006.

^ep<0.004.

^fp<0.001.

^gp<0.0001.