Amnesia natural history

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Aditya Govindavarjhulla, M.B.B.S. [2]

Overview

Amnesia (from Greek Ἀμνησία) is a condition in which memory is disturbed. The causes of amnesia are organic or functional. In simple terms it is the loss of memory. Organic causes include damage to the brain, through trauma or disease, or use of certain (generally sedative) drugs. Functional causes are psychological factors, such as defense mechanisms.

Natural History, Complications, Prognosis

The cause determines whether amnesia comes on slowly or suddenly, and whether it is temporary or permanent.