Amnesia


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Amnesia


Amnesia is memory loss that may be caused by a head injury or stroke, substance abuse, or a severe emotional event, such as combat or a motor vehicle accident. Depending upon the cause, amnesia may be temporary or it may be a permanent condition.

Amnesia can involve complete loss of memory of one or more of the following:

  • Personal identity
  • Events or circumstances
  • A specific period of time
  • An entire lifetime

The cause determines whether the condition comes on slowly or suddenly. Memory problems that come on gradually may be a part of ongoing mental decline (dementia). Total global amnesia is a type of unexplained amnesia that begins suddenly.

Treatment options and results of treatment of amnesia depend on the cause of lost memory.

Credits


Author Jan Nissl, RN, BS
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Denele Ivins
Associate Editor Tracy Landauer
Primary Medical Reviewer William M. Green, MD - Emergency Medicine
Specialist Medical Reviewer Colin Chalk, MD, CM, FRCPC - Neurology
Last Updated February 27, 2007

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Last updated: February 27, 2007
Author: Jan Nissl, RN, BS
Reviewed By: William M. Green, MD - Emergency Medicine, Colin Chalk, MD, CM, FRCPC - Neurology
Editors: Susan Van Houten, RN, BSN, MBA, Tracy Landauer

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