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This year was rich in published research on ADHD. Several articles provided insights into the pathophysiology of ADHD and the mechanisms of action for stimulants used to treat the disorder. Other areas receiving attention in 2009 were treatment adherence and the increase in nonmedical use of stimulants (and other “cognitive enhancers”).
Neuroimaging methods revealed new insights regarding CNS pathways affected in individuals with ADHD. Peterson and colleagues used functional MRI to examine resting-state suppression during attention to a Stroop task in treated children with ADHD and in typically developing controls. Performing the Stroop task was associated with suppression of resting-state pathways in controls but with significantly less sup…