[Autoimmune encephalitis in psychiatric institution (clinical case)].

Currently there is a new concept of «molecular neuropsychiatry» which aim is identification of biomarkers and biological substrates for mental disorders. Autoimmune encephalitis can start with psychiatric symptoms in 60% of cases. In this article we described a clinical case of a patient, 31 years old, with GABAb-associated AE started with acute polymorphic psychosis.