closed-eye visual hallucination

closed-eye visual hallucination

Dictionary of Hallucinations. . 2010.

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  • closed-eye hallucination —    Also known as closed eye visual hallucination and closed eye visualization. All three terms are used to denote a type of *visual hallucination experienced exclusively when the eyes are closed or when there is perfect darkness around. Some… …   Dictionary of Hallucinations

  • Closed-eye hallucination — Closed eye hallucinations and closed eye visualizations (CEV) are a distinct class of hallucination. These types of hallucinations generally only occur when one s eyes are closed or when one is in a darkened room. They are a form of phosphene.… …   Wikipedia

  • Visual snow — is a transitory or persisting visual symptom where people see snow or television like static in parts or the whole of their visual fields, especially against dark backgrounds. It is much like camera noise in low light conditions. The severity or… …   Wikipedia

  • Hallucination — For other uses, see Hallucination (disambiguation). Hallucination Classification and external resources My eyes at the moment of the apparitions by August Natterer …   Wikipedia

  • hallucination — hallucinational, hallucinative /heuh looh seuh nay tiv, neuh tiv/, adj. /heuh looh seuh nay sheuhn/, n. 1. a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to… …   Universalium

  • monocular hallucination —    Also known as monocular complex hallucination. Both terms are indebted to the Greek monos (only) and the Latin oculus (eye). The term monocular hallucination was introduced in or shortly before 1936 by the Swiss neurologist Georges de Morsier… …   Dictionary of Hallucinations

  • hypnagogic hallucination —    Also known as hypnagogic imagery, hypnagogic reverie, hypnagogic illusion, hypnagogic visualization, presomnal sensation, predormital hallucination, anthypnic sensation, oneirogagic image, phantasma, vision of half sleep, and faces in the dark …   Dictionary of Hallucinations

  • scenic hallucination —    Also known as panoramic hallucination. The term scenic hallucination is indebted to the Greek noun sk en e, which means stage, scene, spectacle. It is unknown by whom the term was introduced. It appears in a 1930 paper on the psy chotropic… …   Dictionary of Hallucinations

  • Optical illusion — This article is about visual perception. For the Time Requiem album, see Optical Illusion (album). An optical illusion. The square A is exactly the same shade of gray as square B. See checker shadow illusion. An optical illusion (also called a… …   Wikipedia

  • phantasma —    Also known as phantasm. The Greek noun phantasma means ghost or spectre. During the era of classic psychiatry, it had a variety of meanings and connotations. Thus it was used in 1826 by the German physiologist and zoologist Johannes Peter… …   Dictionary of Hallucinations