Table 2.

Region of interest analyses for Study 1. Correlations between cognitive test scores and D2R BP_ND controlling for age (N=83). BP_ND estimates are PVC except midbrain which is uncorrected. * p < .05 uncorrected

	Trails A	Trails B-A	Digit Span	Letter-Number Sequencing	Verbal Paired Associates Delayed Recall
Midbrain	.197 [−0.0237,0.418]	.032 [−0.216,0.279]	.115 [−0.127,0.359]	−.104 [−0.314,0.106]	−.007 [−0.213,0.199]
Striatum	.270* [0.060,0.479]	−.123 [−0.360,0.115]	.241* [0.010,0.471]	.039 [−0.165,0.243]	.141 [−0.053,0.336]
Anterior cingulate	.140 [−0.0564,0.337]	−.017 [−0.202,0.235]	−.007 [−0.223,0.208]	−.089 [−0.275,0.097]	.112 [−0.067,0.292]
Thalamus	.112 [−0.0876,0.312]	−.140 [−0.359,0.079]	.042 [−0.176,0.260]	−.063 [−0.251,0.126]	−.020 [−0.204,0.163]
Amygdala	.084 [−0.118,0.287]	.098 [−0.124,0.320]	.025 [−0.195,0.245]	−.149 [−0.337,0.039]	.039 [−0.146,0.224]
Hippocampus	.0294 [−0.169,0.228]	.028 [−0.191,0.246]	−.010 [−0.225,0.205]	−.090 [−0.275,0.095]	−.052 [−0.232,0.128]
Insula	.239* [0.038,0.441]	.028 [−0.201,0.256]	.055 [−0.171, 0.285]	−.094 [−0.288, 0.101]	−.076 [−0.265,0.113]