Visual hallucinations are perceptions without a physical stimulus to relate the percept too. People who suffer from psychosis often experience visual hallucinations, but the properties of these hallucinations are not well known yet. Marouska van Ommen and co-authors published a paper in the journal “Psychiatry Research” that describes the types and variability of hallucinations in 27 patients with psychosis. Want to know more? Find the article here.