Perception in the presence of no external stimuli found, but characteristic of true perception

concept

Hallucinations

 A tempestuous sea with a man chasing a boat.

Ezekiel has a vision of angels and spheres with eyes coasting along the thunderstruck sea. Etching by R. Pranker, 176-, after B. Picart.

Du hachisch et de l'aliénation mentale. Études psychologiques / Par J. Moreau (de Tours).

The woman clothed with the sun is attacked by a seven-headed dragon; her child is ejected up to God: representing the 12th Book of Revelation. Engraving.

A monk, suffering a hallucination that he is being attacked by wolves, being freed from his delusions by Saint Anselm. Drawing by an artist in the circle of J.W. Baumgartner.

The mystery and lore of apparitions : with some account of ghosts, spectres, phantoms and boggarts in early times / by C.J.S. Thompson.

A man suffering from depressed spirits ("hypochondria") being tormented by doleful spectres. Coloured etching by T. Rowlandson after J. Dunthorne, 1788.

The temptation of Saint Antony. Pastel drawing by W.S.

A man riding a donkey deludes himself into believing that he is on a splendid horse. Coloured etching by G. Piattoli, c. 1800.

A man suffering from depressed spirits ("hypochondria"), being tormented by doleful spectres. Coloured etching by T. Rowlandson after J. Dunthorne, 1788.

A cross amidst trees and flames

The blot upon the brain : studies in history and psychology / [William W. Ireland].

Festschrift zum 75-jährigen Jubiläum der Gesellschaft practischer Aerzte zu Riga von der städtischen Irrenheil- und Pflegeanstalt Rothenberg.

Théorie physiologique de l'hallucination / par A. Ritti.

Theorie physiologique de l'hallucination / par Ant. Ritti.

Acute confusional insanity / by Conolly Norman.

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Hallucinations

Images from the collections

Images referencing Hallucinations

Works from the collections

The blot upon the brain : studies in history and psychology / [William W. Ireland].

Festschrift zum 75-jährigen Jubiläum der Gesellschaft practischer Aerzte zu Riga von der städtischen Irrenheil- und Pflegeanstalt Rothenberg.

Théorie physiologique de l'hallucination / par A. Ritti.

Theorie physiologique de l'hallucination / par Ant. Ritti.

Acute confusional insanity / by Conolly Norman.

Hallucinations

Images from the collections

Images referencing Hallucinations

Works from the collections

The blot upon the brain : studies in history and psychology / [William W. Ireland].

Festschrift zum 75-jährigen Jubiläum der Gesellschaft practischer Aerzte zu Riga von der städtischen Irrenheil- und Pflegeanstalt Rothenberg.

Théorie physiologique de l'hallucination / par A. Ritti.

Theorie physiologique de l'hallucination / par Ant. Ritti.

Acute confusional insanity / by Conolly Norman.

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