- Rare dissociative disorder that has characteristic symptoms of nonsense or wrong answers to questions or doing things wrong, other dissociative symptoms such as fugue, amnesia or conversion disorder, often with visual pseudohallucinations and a lowered state of consciousness.
- Other names: balderdash syndrome, nonsense syndrome, syndrome of approximate answers, pseudodementia, hysterical pseudodementia, prison psychosis.
- Very rare variant of dissociative disorder.
- A reaction to extreme stress and sometimes be diagnosed as malingering.
