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A Dictionary of HallucinationsD

A Dictionary of Hallucinations: D [Daltonism is also known as *deuteranopia, deutan colour blindness, and deutan colour deficiency. All four terms are used to denote a *colour vision deficiency of the green–red type. The eponym Daltonism refers to the British chemist and physicist John Dalton (1766–1844), who in 1794 published an account of his own *colour vision deficiency. As Dalton remarks in this paper, “My yellow comprehends the red, orange, yellow, and green of others; and my blue and purple coincide with theirs. That part of the image which others call red appears to me little more than a shade, or defect of light; after that the orange, yellow and green seem one colour, which descends pretty uniformly from an intense to a rare yellow, making what I should call different shades of yellow.” In addition to his own colour vision deficiency, Dalton also described those of his brother and 28 other males. He initially referred to his own condition as ‘red-blindness’. However, a genetic analysis of the tissue preserved from his eyes, carried out some 150 years after his death, indicates that it was actually of the green–red type. Dalton was not the first to publish on this type of colour vision deficiency. As early as 1777 it was described by the British hydrographer and engineer Joseph Huddart (1741–1816). Today Daltonism is the most prevalent form of colour vision deficiency. Attributed to an X-linked autosomal condition, it affects 6% of all men, but very few women.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

A Dictionary of HallucinationsD

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Publisher
Springer New York
Copyright
© Springer-Verlag New York 2010
ISBN
978-1-4419-1222-0
Pages
125 –164
DOI
10.1007/978-1-4419-1223-7_4
Publisher site
See Chapter on Publisher Site

Abstract

[Daltonism is also known as *deuteranopia, deutan colour blindness, and deutan colour deficiency. All four terms are used to denote a *colour vision deficiency of the green–red type. The eponym Daltonism refers to the British chemist and physicist John Dalton (1766–1844), who in 1794 published an account of his own *colour vision deficiency. As Dalton remarks in this paper, “My yellow comprehends the red, orange, yellow, and green of others; and my blue and purple coincide with theirs. That part of the image which others call red appears to me little more than a shade, or defect of light; after that the orange, yellow and green seem one colour, which descends pretty uniformly from an intense to a rare yellow, making what I should call different shades of yellow.” In addition to his own colour vision deficiency, Dalton also described those of his brother and 28 other males. He initially referred to his own condition as ‘red-blindness’. However, a genetic analysis of the tissue preserved from his eyes, carried out some 150 years after his death, indicates that it was actually of the green–red type. Dalton was not the first to publish on this type of colour vision deficiency. As early as 1777 it was described by the British hydrographer and engineer Joseph Huddart (1741–1816). Today Daltonism is the most prevalent form of colour vision deficiency. Attributed to an X-linked autosomal condition, it affects 6% of all men, but very few women.]

Published: Oct 15, 2009

Keywords: Visual Hallucination; Delirium Tremens; Corollary Discharge; Hallucinatory Experience; Verbal Auditory Hallucination

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