Catatonia in Psychotic Depression Associated With Bereavement

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In the current Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), catatonia is not recognized as a separate disorder but is associated with many psychiatric and medical conditions. Psychiatric causes of catatonia range from 70% to 80%, and organic causes of catatonia range from 20% to 30%. Among the psychiatric causes of catatonia, around 30% are related to mood disorders, and approximately 10% to 15% are associated with schizophrenia.’ ‹’ ‹