Table 4.

ROIs for which functional connectivity with the VS during anticipation of a large reward vs. no reward was associated with lifetime nicotine use

	Left VS		Right VS
	Beta weight	% of CV folds	Beta weight	% of CV folds
Gyrus Rectus (R)	0.105	93.2	0.305	100
SFG, orbital part (R)			0.191	93.6
MFG, orbital part (L)			0.077	84.6
SFG, medial part (L)			−0.251	86.6
Olfactory gyrus (L)			−0.325	93.4
IFG, opercular part (R)			−0.176	92.4
IFG, orbital part (R)	−0.099	91.8
Amygdala (R)			0.323	90.4
Thalamus (R)			0.150	89.6
Caudate (R)			0.076	81.2
Posterior Cingulate (L)			0.184	88.0
Posterior Cingulate (R)	0.238	88.6
Precentral gyrus (R)			0.337	93.6
Supramarginal Gyrus (L)	0.381	84.8
Supramarginal Gyrus (R)			−0.311	95.4
Angular Gyrus (R)			−0.138	89.6
Inferior parietal lobule (L)	−0.201	84.0
Superior occipital gyrus (R)			−0.245	83.0
Lingual gyrus (L)			−0.100	82.6
Middle Temporal Pole (L)	−0.281	85.0
Middle Temporal Pole (R)			−0.146	84.4
Superior Temporal Pole (R)			−0.204	96.0
Cerebellum (R)			−0.144	92.8

CV: Cross-validation; R: right, L: left; SFG: Superior frontal gyrus; MFG: Middle frontal gyrus; IFG: Inferior Frontal Gyrus