Hyperactivity is a higher than normal level of activity. Typical hyperactive behaviour includes constant activity, being distracted easily, impulsiveness, difficulty concentrating, and aggressiveness. A person may fidget or move constantly, wander a lot, talk too much, or have difficulty undertaking quiet activities. Some common causes are attention deficit disorder, emotional disorders, brain or central nervous system disorders, or hyperthyroidism. Treatment for hyperactivity includes medication, homoeopathy, psychotherapy, chiropractic, and behavioural therapies.