For individuals who develop an unexpected psychosis, there is something to be said for testing them for autoimmune antibodies. And something against. At the 36th Congress of the European College of Neuropsychopharmacology (ECNP) this week, the topic was worth a controversy session, where speakers presented the pros and cons of the approach.
For most psychiatric illnesses, the precipitating event is mysterious. Many conditions are thought to result from a mix of genetic risk and environmental factors, but the specific trigger remains unknown. In post-traumatic stress disorder (PTSD), the environmental trigger is usually clear. In many cases, it is all the affected individuals can think about. “Intrusive reliving” of the triggering situation is one of the core features of PTSD.