In particular, people with ADHD are characterized by carelessness, clumsiness, difficulties in committing to school obligations or adhering to suggestions. The disorder translates as inability to regulate behavior. It is often associated with poor school performance, learning disabilities and communication.
These children also often have language difficulties or special learning needs. As physical hyperactivity improves with age, little is known about the nature of these problems in adolescence and later life. It is possible that the remaining difficulties are mainly related to the young person’s ability to concentrate or social maturity, although the latter is not a diagnostic feature.
Between 30% and 50% of children with ADHD also have behavioral problems (antisocial behavior) and this combination is more difficult to treat.
ADHD has the following three subcategories: