Glossary

Hyperactivity: A type of behaviour characterised by excessive physical activity, sometimes associated with neurological or psychological causes.

Collateral informant: A person (friend or family member) who is closely associated with and knows the patient well.

Mood lability: Frequent, exaggerated changes in mood that involve strong emotions.

Fibromyalgia: It is also called ‘chronic fatigue syndrome’ and results in musculo-skeletal pain.

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