Oneiroid syndrome

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Oneiroid syndrome
Classification and external resources
Specialty Psychiatry
ICD-10 F23.2

Oneiroid syndrome, from the Ancient Greek "ὄνειρος" (oneiros, meaning "dream") and "εἶδος" (eidos, meaning "form, likeness"), is an element of the catatonic form of schizophrenia and presents with a dream-like or nightmare-like state as a background of intensive psychopathological experiences.

Oneiroid states were first described by the German physician Wilhelm Meyer-Gross in 1928, mainly statistically.

Later in 1961 the Bulgarian psychiatrist S.T. Stoyanov[1] studied the dynamics and the course of the oneiroid syndrome in "periodic", or remittant schizophrenia (ICD-10).

According to this research the syndrome has six stages in its course:

  1. initial general-somatic and vegetative disorder
  2. delusional mood
  3. affective-delusional depersonalisation and derealisation
  4. fantastic-delusional and affective depersonalisation and derealisation
  5. illusional depersonalisation and derealisation, and
  6. catatonic-oneiroid state in the culmination.[2]

The prognosis of oneiroid catatonia is optimal, in comparison with lucid catatonia.[citation needed]


  1. ^ Stoianov ST (1961). "[On the clinical aspects and psychopathology of oneiroid states arising during the course of schizophrenia]". Zh Nevropatol Psikhiatr Im S S Korsakova (in Russian). 61: 1370–7. PMID 13917348. 
  2. ^ Semenov SF, Pashutova EK (1978). "Clinical features and differential diagnosis of puerperal schizophrenic psychoses" (PDF). Neurosci. Behav. Physiol. 9 (1): 39–44. doi:10.1007/bf01182653. PMID 748822.