Figure 1From: l-Amphetamine improves poor sustained attention while d-amphetamine reduces overactivity and impulsiveness as well as improves sustained attention in an animal model of Attention-Deficit/Hyperactivity Disorder (ADHD)Effects of d-amphetamine (left) and l-amphetamine (right) on total number of lever presses (correct plus incorrect) by SHR and WKY controls. Means ± SEM.Back to article page