Psychology

Psychology? It's all in the mind.

Upgrade to Britannica Online

Take a tour, New improved britannica online

Imagine Britannica's 32-volume encyclopedia online right there for you, plus full access to articles. Amazing content, written by world experts, that you can cite for projects and assignments.

Click here for Britannica shop

conversion disorder

formerly hysteria

In psychology, a neurosis marked by extreme emotional excitability and disturbances of psychic, sensory, vasomotor, and visceral functions. The earlier concept of hysteria was used frequently in the first half of the 20th century to explain a wide variety of symptoms and behaviours observed particularly in women. (The term derives from the Greek word for , reflecting the Greeks' belief that the condition resulted from disturbances of the uterus.) Disorders with symptoms similar to those of conversion disorder include factitious disorder, dissociative identity disorder, and personality disorder (histrionic type).

Find more information on conversion disorder. Upgrade to Britannica Online for more on conversion disorder.

  • Britannica, just as colourful as Singapore
  • Singapore is a legendary city. Britannica has a legendary reputation for knowledge. With just a few clicks you can access all the quality information you can trust, online.