Attention deficit hyperactivity disorder

Attention deficit hyperactivity disorder (ADHD) is a mental disorder of the neurodevelopmental type. It is characterized by difficulty paying attention, excessive activity and acting without regards to consequences, which are otherwise not appropriate for a person's age.

Symptoms

  • Be easily distracted, miss details, forget things, and frequently switch from one activity to another
  • Have difficulty maintaining focus on one task
  • Have difficulty focusing attention on organizing or completing a task

Wikipedia: Attention deficit hyperactivity disorder