inverted vision

inverted vision
   Also known as reversal of vision metamorphopsia. The term inverted vision comes from the Latin words inverto (to turn around, to change) and visio (seeing). It is used to denote a rare visual phenomenon in which objects of fixation, and sometimes the entire extracorporeal environment, are perceived as if rotated (commonly around 90°, sometimes 180°). The British physician and alienist Forbes Benignus Winslow (1810-1874) has been credited with having described the first case of inverted vision in 1868, in an individual he had diagnosed with hysteria. Since then, just over 30 cases have been reported in the literature. Inverted vision is perceived mainly in the coronal plane, but it can also be perceived in the sagittal or transverse plane. The phenomenon tends to be transient, sudden, and paroxysmal in nature, with a duration of the order of several hours, occasionally days or weeks. It tends to be accompanied by vertigo, nausea, and vomiting. The neurobiological correlates of inverted vision are largely unclear. The condition has been reported predominantly in individuals with occipito-parietal lesions that spare the optic radiations, and in association with brain-stem pathology. Etiologically, it is associated with a variety of conditions, including head trauma, neoplasms, stroke, and vertebrobasilar transient ischemic attack. Inverted vision is classified as a " metamorphopsia. It should not be confused with " visual allachaesthesia, which consists of a " visual illusion in which objects present in one hemifield are perceived as if present in the opposite hemifield.
   References
   Critchley, M. (1953). The parietal lobes. London: Edward Arnold & Co.
   River, Y., Ben Hur, T., Steiner, I. (1998). Reversal of vision metamorphopsia: Clinical and anatomical characteristics. Archives ofNeurol-ogy, 55, 1362-1368.
   Wilder, J. (1928). Ueber Schief- und Verkehrtsehen. Deutsche Zeitschrift für Nervenheilkunde, 104, 222-256.
   Winslow, F. (1868). On obscure diseases of the brain and disorders of the mind. Fourth edition. London: John Churchill & Sons.

Dictionary of Hallucinations. . 2010.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • reversal of vision metamorphopsia —    see inverted vision …   Dictionary of Hallucinations

  • Night vision — For other uses, see Night vision (disambiguation). Two American soldiers pictured during the 2003 Iraq War seen through an image intensifier Night vision is the ability to see in low light conditions. Whether by biological or technological means …   Wikipedia

  • Songs from the Inverted Womb — Infobox Album | Name = Songs From the Inverted Womb Type = Album Artist = Sopor Aeternus The Ensemble of Shadows Released = Fall 2000 Recorded = 1998 1999 Genre = Darkwave Length = 72:33 Label = Apocalyptic Vision Producer = Anna Varney Reviews …   Wikipedia

  • Color vision — White light shone onto a green surface is perceived as green by the human eye, and processed as such in the brain s visual cortex …   Wikipedia

  • Songs from the inverted Womb — Studioalbum von Sopor Aeternus Veröffentlichung 2000 Label Apocalyptic Vision (Trisol Music Group) …   Deutsch Wikipedia

  • The Inverted Forest — is a novella written by J. D. Salinger and published in Cosmopolitan in December of 1947. The story is remarkable in that it marked the start of Salinger s focus on the poet as both a distinguished creative genius and the impossiblities they find …   Wikipedia

  • Dalibor Vesely — was born in Prague, Czech Republic in 1934. He studied engineering, architecture, art history and philosophy in Prague and in Munich and obtained his PhD from Charles University in Prague. He studied with Hans Georg Gadamer, with whom he kept a… …   Wikipedia

  • visual allachaesthesia —    Also known as optical allachaesthesia, optical alloaesthesia, and fata morgana of the visual sphere. The first three expressions are indebted to the Greek words attache (elsewhere) and aisthanesthai (to notice, to perceive). They translate… …   Dictionary of Hallucinations

  • metamorphopsia —    The term metamorphopsia comes from the Greek words metamorphoun (to change the form) and opsis (seeing). It translates roughly as seeing an altered form . It is not clear who introduced the term, but it appears in a medical lexicon as early as …   Dictionary of Hallucinations

  • Брюстер Дэвид — (sir David Brewster) замечательный английский физик, родился 11 декабря 1781 в Шотландии, † в 1868 г. Призвание его к занятиям физикой определилось не вдруг: Б. сначала был фармацевтом, потом докт. прав и адвокатом; но уже с 1801 г. стал… …   Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”