31. He founded one of the earliest psychological clinics focused on patients with attention deficit hyperactivity disorder . 32. Problem : Your child is diagnosed with a behavioral disorder such as attention deficit hyperactivity disorder . 33. More frequently diagnosed behavioral disabilities include bipolar disorder, attention deficit hyperactivity disorder and oppositional defiance disorder. 34. A pediatrician diagnosed Kyle with Attention Deficit Hyperactivity Disorder and prescribed a trial run of Ritalin. 35. Her two children suffer from attention deficit hyperactivity disorder , a condition often treated with the drug. 36. He continues to make significant contributions to research into the neurobiological substrates of Attention Deficit Hyperactivity Disorder . 37. Other studies also have suggested biological differences in the brains of people with attention deficit hyperactivity disorder . 38. Points refer to attention deficit hyperactivity disorder . 39. Attention deficit hyperactivity disorder is linked with slightly smaller brain volume in children and adolescents, researchers reported.40. The Food and Drug Administration said it had approved Concerta for the treatment of attention deficit hyperactivity disorder .