A condition in which an individual takes up odd postures, often accompanied by muteness or semi-coma. The arms and legs may be moved passively by someone else into positions that the suﬀerer then holds for many hours. Catatonia occurs in SCHIZOPHRENIA. It may also be associated with organic brain disease such as encephalitis lethargica (see ENCEPHALITIS), tumours and carbon monoxide intoxication.
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