Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterised by symptoms of inattention, hyperactivity, impulsivity, and emotional dysregulation that are …

Aug 27, 2019 · Hyperactivity is often a symptom of an underlying mental or physical health condition. One of the main conditions associated with hyperactivity is attention deficit …

NIMH researches attention-deficit/hyperactivity disorder (ADHD). Find resources on the signs and symptoms of ADHD and potential treatments and therapies.

Nov 25, 2025 · Attention-deficit/hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders of childhood. Symptoms start in childhood and often last into …

Mar 7, 2025 · Attention-deficit/hyperactivity disorder, also called ADHD, is a long-term condition that affects millions of children. It often continues into adulthood. ADHD includes a mix of …

Aug 8, 2022 · Hyperactivity is a physical state in which a person is unusually active. It involves excessive movement, talking, and restlessness. These behaviors can be part of attention …

Apr 1, 2024 · Hyperactivity means having increased movement, impulsive actions, a shorter attention span, and being easily distracted.