Hallucinatory psychosis or perception disorder (delusional perception) is a group of mental disorders characterized by the appearance of delusions (or illusions) of sensations, feelings, and perception of individual objects. The term was first used in 1911 by the Belgian psychiatrist Jacques Koontz to refer to a psychotic disorder described by Louis Plaute and Jameson Schreiber in an article published in 1895 in the journal L'Aître with the subtitle "delire fugitif de Plaute et Schreiber".
The name comes from the name of the French writer and playwright Lucien Plaut (1869-1943), who suffered from hallucinatory psychosis. Louis de Plaut was born in Bordeaux into a noble family. As a young man, he served in the French army, was wounded in the head and began to suffer from auditory hallucinations, sometimes very cruel, perceiving everything he heard as some kind of cruel joke directed at himself. In order not to tempt fate, he one fine day escaped from the unit, not wanting to become a victim of his own god - the only one he deified - playing a dangerous and cruel game with him. Subsequently, Louis began writing novels and plays, despite the fact that the hallucinations that appeared from time to time began to cause him significant discomfort. As a result, the illness forced him to leave for Germany. Plaut's further life was colorful and filled with unusual events, which in general served as an example for his fellow countrymen. A disregard for ordinary life was combined with a subtle