Abstract Objective Recent studies have suggested the Behavior Rating Inventory of Executive Functioning-Adult Version (BRIEF-A) might be measuring emotional distress as opposed to objective executive functioning. The current study explored the relationship between emotional distress on the BRIEF-A - specifically anxiety and depression. Data Selection 90 participants (75.6% Caucasian, 10.0% Hispanic, 5.6% Asian, 2.2% African-American, 2.2% Middle Eastern, 4.4% Unspecified) assessed at a Midwest clinic were selected based on the presence of relevant scores from the Minnesota Multiphasic Personality Inventory-2 (MMPI-2) and BRIEF-A. Data Synthesis Archival data were analyzed using regression analyses, with each predictor (MMPI-2 clinical scales 2 and 7) entered as predictors of BRIEF BRI and MI composite indices. The full model accounted for 31.5% (p < 0.001) of the variance in BRI. Scale 7 accounted for 30.1% (p < 0.001) of variability in the BRI. Scale 2 was not a significant predictor of BRI and only accounted for an additional 2% of the variability. With regard to MI, the full model accounted for 33.3% (p < 0.001) of the variability in MI. Scale 7 accounted for 27.0% (p < 0.01) of the variability in MI, and Scale 2 contributed an additional 6.3% (P.005) of predictive capacity. Conclusions The current analysis identified that emotional distress was a significant predictor of BRIEF-A MI and BRI composite scores, accounting for 31.5% and 33.3% of the variability, respectively. This suggests that these BRIEF-A composite scores are notably correlated with emotional distress. Within this, anxiety was a more potent predictor than depression.