Oneiroid syndrome
Dream-like fantastic delusional state (psychopathological syndrome) / From Wikipedia, the free encyclopedia
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Oneiroid syndrome (OS) is a condition involving dream-like disturbances of one's consciousness by vivid scenic hallucinations, accompanied by catatonic symptoms (either catatonic stupor or excitement), delusions, or psychopathological experiences of a kaleidoscopic nature. The term is from Ancient Greek "ὄνειρος" (óneiros, meaning "dream") and "εἶδος" (eîdos, meaning "form, likeness"; literally dream-like / oneiric or oniric, sometimes called "nightmare-like"). It is a common complication of catatonic schizophrenia, although it can also be caused by other mental disorders. The dream-like experiences are vivid enough to seem real to the patient.[1] OS is distinguished from delirium by the fact that the imaginative experiences of patients always have an internal projection.[1] This syndrome is hardly mentioned in standard psychiatric textbooks, possibly because it is not listed in DSM.[2]
Oneiroid syndrome | |
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Pronunciation |
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Specialty | Psychiatry |
Symptoms | Vivid scenic hallucinations, pseudohallucinations, catatonic symptoms (mutism, waxy flexibility, negativism), delusions, disorientation in place, time, self, double orientation, stupor or sub-stupor |
Duration | A few weeks or days |
Causes | Catatonic schizophrenia |
Diagnostic method | Based on symptoms |
Differential diagnosis | Delirium |