Attention Deficit Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterized by excessive amounts of inattention, hyperactivity, and impulsivity that are pervasive, impairing in multiple contexts, and otherwise age-inappropriate.
ADHD symptoms arise from executive dysfunction, and emotional dysregulation is often considered a core symptom.
In children, problems paying attention may result in poor school performance. Adults with ADHD may find it difficult to focus and prioritize, leading to missed deadlines and forgotten meetings or social plans. The inability to control impulses can range from impatience waiting in line or driving in traffic to mood swings and outbursts of anger.
Some common symptoms of ADHD include:
ADHD is divided into three types: