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Catatonia is a marked disturbance in the voluntary control of movements characterized by several of the following: extreme slowing or absence of motor activity, mutism, purposeless motor activity unrelated to external stimuli, assumption and maintenance of rigid, unusual or bizarre postures, resistance to instructions or attempts to be moved, or automatic compliance with instructions. Catatonia may be diagnosed in the context of certain specific mental disorders, including Mood disorders, Schizophrenia, and Autism spectrum disorder. Catatonia may also be caused by physical disorders.


  • Catatonia associated with another mental disorder
  • Catatonia induced by psychoactive substances, including medications
  • Secondary catatonia syndrome

( Source: International Classification of Diseases, 11th Revision, Beta Draft, 2018 )