Reviews in Clinical Gerontology

Neuropsychiatry of old age

Delirium – a clinical overview

Susan Whitea1 c1 and Antony Bayera1

a1 Department of Geriatric Medicine, Cardiff University, Wales

Delirium is a disorder characterized by a fluctuating disturbance of consciousness and attention, with changes in cognition or perception, which develops over a short period of time and is attributable to an underlying physical cause. It is often accompanied by disturbance of the sleep-wake cycle and altered psychomotor behaviour.

Correspondence:

c1 Address for correspondence: Dr. Susan White, 3rd Floor, Academic Centre, Llandough Hospital, Penarth, CF64 2XX, Wales, UK.