Fig. 2

a, b Aggregated score of cognitive performance. Estimated marginal means for an aggregated cognitive score in two independent cohorts depicting individuals with ADHD and a high intelligence (cohort 1: N = 51, cohort 2: N = 21) individually matched to highly intelligent controls, average intelligent participants with ADHD, and average intelligent controls based on ADHD subtype, IQ, age, and gender. Higher scores indicate a poorer performance. No interaction effect between ADHD and IQ was found in both cohorts. Error bars represent 95% confidence intervals