- Purkinje hallucination
- see Purkinje's colour.
Dictionary of Hallucinations. J.D. Blom. 2010.
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Purkinje's colour — Also known as Purkinje phenomenon, Purkinje hallucination, flicker induced hallucination, and photically induced hallucination. The eponyms Purkinje s colour, Purkinje hallucination, and Purkinje phenomenon refer to the Bohemian physiologist… … Dictionary of Hallucinations
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
photically induced hallucination — Also known as flicker induced hallucination, hallucinatory flicker induced experiences, and Purkinje s colours. All four terms are used to denote a type of *geometric visual hallucination induced by a flickering light, such as that produced by … 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
fiery rings of Purkinje — The eponym fiery rings of Purkinje refers to the Bohemian physiologist Johannes Evangelista Purkyne (1787 1869), who is credited with being the first to describe the concomitant phenomenon in his textbook of 1823. The phenomenon consists of… … Dictionary of Hallucinations
phenomenon — 1. A symptom; an occurrence of any sort, whether ordinary or extraordinary, in relation to a disease. 2. Any unusual fact or occurrence. [G. phainomenon, fr. phaino, to cause to appear] adhesion p. a p. manifested by the adherence of antigen… … Medical dictionary
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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