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loss of voice for psychogenic reasons, a type of somatoform disorder.
Farlex Partner Medical Dictionary © Farlex 2012
con·ver·sion dis·or·der(kŏn-vĕr'zhŭn dis-ōr'dĕr)
A mental disorder in which an unconscious emotional conflict is expressed asan alteration or loss of physical functioning, usually controlled by the voluntary nervous system.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012