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hysteria
A somatoform disorder chararacterized by a loss of physical function as a result of a psychological conflict or need.
Examples:
1) paralysis of an extremity
2) loss of vision
General
somatoform (psychosomatic) disorder; somatic symptom & related disorders (SSRD)
References
Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999.