Psych M.D. - Amnesia


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Term: Amnesia
Definition (Myers): The loss of memory
Definition (alternative): Amnesia (from Greek Ἀμνησία) is a short term memory condition in which memory is disturbed. In simple terms it is the loss of memory. The causes of amnesia are organic or functional. 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. Hysterical post-traumatic amnesia is an example of this. Amnesia may also be spontaneous, in the case of transient global amnesia.[1] This global type of amnesia is more common in middle-aged to elderly people, particularly males, and usually lasts less than 24 hours. (LINK/SOURCE)
Contextual explanation: The definition of the vocab is really simple. Amnesia is just the loss of memory. Amnesia could occur from all kinds of head injuries and also from diseases. There's really not much to explain on this one.

Related terms and concepts:
Memory
Short term memory
long term memory
Encoding
Storage Decay
Source Amnesia
[Untitled]
Related websites:
http://en.wikipedia.org/wiki/Anterograde_amnesia
http://en.wikipedia.org/wiki/Retrograde_amnesia
http://neurology.health-cares.net/retrograde-amnesia.php
http://www.mayoclinic.com/health/amnesia/DS01041

Edited by: Duwon



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