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From Nordan Symposia
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[[File:lighterstill.jpg]][[File:Fussell_sleep_paralysis.jpg|right|frame]]
==Origin==
[[Latin]], from [[Greek]], from paralyein to loosen, disable, from para- + lyein to loosen
*[http://en.wikipedia.org/wiki/16th_Century 1525]
==Definitions==
*1. complete or partial loss of function especially when involving the motion or sensation in a part of the body
*2. loss of the ability to move
*3. a state of powerlessness or incapacity to act
==Description==
'''Paralysis''' is the complete loss of [[muscle]] [[function]] for one or more muscles. Paralysis can be accompanied by a loss of [[feeling]] (sensory loss) in the affected area if there is sensory damage as well as motor.
==Causes==
Paralysis is most often caused by damage in the [[nervous system]], especially the [http://en.wikipedia.org/wiki/Spinal_cord spinal cord]. Other major [[causes]] are [http://en.wikipedia.org/wiki/Stroke stroke], trauma with nerve injury, poliomyelitis, amyotrophic lateral sclerosis (ALS), botulism, spina bifida, multiple sclerosis, and Guillain-Barré syndrome. Temporary paralysis occurs during [http://en.wikipedia.org/wiki/REM_sleep REM sleep], and dysregulation of this [[system]] can lead to [[episodes]] of [http://en.wikipedia.org/wiki/Sleep_paralysis waking paralysis]. [[Drugs]] that [[interfere]] with nerve function, such as curare, can also cause paralysis. There are many known causes for paralysis, and perhaps more yet to be [[discovered]].
Pseudoparalysis (pseudo- [[meaning]] false, not genuine) is voluntary restriction or inhibition of [[motion]] because of [[pain]], incoordination, or other cause, and is not due to actual muscular paralysis. In an infant, it may be a symptom of [http://en.wikipedia.org/wiki/Congenital_syphilis congenital syphilis].
[[Category: Health]]
==Origin==
[[Latin]], from [[Greek]], from paralyein to loosen, disable, from para- + lyein to loosen
*[http://en.wikipedia.org/wiki/16th_Century 1525]
==Definitions==
*1. complete or partial loss of function especially when involving the motion or sensation in a part of the body
*2. loss of the ability to move
*3. a state of powerlessness or incapacity to act
==Description==
'''Paralysis''' is the complete loss of [[muscle]] [[function]] for one or more muscles. Paralysis can be accompanied by a loss of [[feeling]] (sensory loss) in the affected area if there is sensory damage as well as motor.
==Causes==
Paralysis is most often caused by damage in the [[nervous system]], especially the [http://en.wikipedia.org/wiki/Spinal_cord spinal cord]. Other major [[causes]] are [http://en.wikipedia.org/wiki/Stroke stroke], trauma with nerve injury, poliomyelitis, amyotrophic lateral sclerosis (ALS), botulism, spina bifida, multiple sclerosis, and Guillain-Barré syndrome. Temporary paralysis occurs during [http://en.wikipedia.org/wiki/REM_sleep REM sleep], and dysregulation of this [[system]] can lead to [[episodes]] of [http://en.wikipedia.org/wiki/Sleep_paralysis waking paralysis]. [[Drugs]] that [[interfere]] with nerve function, such as curare, can also cause paralysis. There are many known causes for paralysis, and perhaps more yet to be [[discovered]].
Pseudoparalysis (pseudo- [[meaning]] false, not genuine) is voluntary restriction or inhibition of [[motion]] because of [[pain]], incoordination, or other cause, and is not due to actual muscular paralysis. In an infant, it may be a symptom of [http://en.wikipedia.org/wiki/Congenital_syphilis congenital syphilis].
[[Category: Health]]
