Growing Transitions 3 In the United States of America, one to three percent of the school age population have the full attention deficit (hyperactivity) Disorder syndrome (Internet site 1). This numerical figure may not seem to convey a need for enlightenment on this disability. As an attention deficit disorder child (and adult), I feel that it is important for the public to be aware. It could happen to your child just as easily as it did me. Definition The definition of attention deficit (hyperactivity) disorder according to the Diagnostic and Statistical manual of the American Psychiatric Association is: ADHD i