ADHD stands for Attention Deficit Hyperactivity Disorder. There is also a form of this disorder which does not feature hyperactive and impulsive behaviour. This is called ADD (Attention Deficit Disorder), which is without the H for Hyperactivity. ADD is officially a type of ADHD (type 1, see Manifestations).
Children and young people with ADHD have problems mainly relating to:
Attention: they are unable to focus their attention on something for very long and have difficulty concentrating without becoming distracted.
Hyperactivity: especially at a young age they exhibit hyperactive behaviour, struggle to sit still and seem to have a great deal of energy. This hyperactivity becomes rather less severe in older children and they are left mainly with a feeling on internal restlessness.
Impulsiveness: they do before they think: they respond impulsively. They have difficulty restraining themselves.
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