Johnny Tiko, an energetic 7-year-old, arrives at the clinic with his mother. Johnny’s mother states that his teachers report

Johnny Tiko, an energetic 7-year-old, arrives at the clinic with his mother. Johnny’s mother states that his teachers report he is easily distracted by extraneous stimuli, has difficulty sustaining attention in tasks or play activities, leaves his seat when remaining seated is expected, and has difficulty waiting his turn. Johnny’s mother expresses concern about his behavior at home and school, and feels professional help is warranted at this time.