The NIMH-funded Multimodal Treatment of Attention Deficit Hyperactivity Disorder (MTA) study was a multisite study designed to evaluate the leading treatments for ADHD, including behavior therapy, medications, and the combination of the two. The study's primary results were published in 1999. Follow-up data continues to be published.
Read the MTA Questions and Answers (Revised November 2009).
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Participate in NIMH Research
Find opportunities to participate in NIMH research on the NIH campus. Travel and lodging assistance available.