Tetrachromacy - Wikipedia

Physiology

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Goldsmith, Timothy H. "What Birds See" Scientific American July 2006. An article about the tetrachromatic vision of birds
Thompson, Evan (2000). "Comparative color vision: Quality space and visual ecology." In Steven Davis (Ed.), Color Perception: Philosophical, Psychological, Artistic and Computational Perspectives, pp. 163–186. Oxford: Oxford University Press.
Looking for Madam Tetrachromat By Glenn Zorpette. Red Herring magazine, 1 November 2000
"Exploring the fourth dimension". University of Bristol School of Biological Sciences. March 20, 2009.
Colors - The Perfect Yellow By Radiolab, 21 May 2012 (Explores tetrachromacy in humans)
The dimensionality of color vision in carriers of anomalous trichromacy--Gabriele Jordan et al--Journal of Vision August 12, 2010:
On Tetrachromacy Ágnes Holba & B. Lukács
San Diego woman Concetta Antico diagnosed with 'super vision' San Diego ABC television report, November 22, 2013.

v t e Physiology of the visual system
Vision	Accommodation Gaze Intraocular pressure Visual field
Color vision	Color blindness Achromatopsia Köllner's rule Opponent process Dichromacy Monochromacy Pentachromacy Tetrachromacy Trichromacy

Color topics

Color physics	Electromagnetic spectrum Light Rainbow Visible Spectral colors Chromophore Structural coloration Animal coloration Color of chemicals Water Spectral power distribution Colorimetry
Color perception	Chromesthesia Sonochromatism Color blindness Achromatopsia Dichromacy Color calibration Color constancy Color task Color code Color temperature Color vision test Evolution of color vision Impossible colors Metamerism Opponent process Afterimage Unique hues Tetrachromacy The dress
Color psychology	Color symbolism Color preferences Lüscher color test Kruithof curve Political color National colors Chromophobia Chromotherapy
Color reproduction	Color photography Color balance Color cast Digital image processing Color management Color printing Multi-primary color display Quattron Color model additive RGB subtractive CMYK Color space Color mapping

Color scheme	Color tool Monochromatic colors black-and-white Complementary colors Analogous colors Achromatic colors (Neutral) Polychromatic colors Light-on-dark Web colors Tinctures in heraldry
Color theory	Color mixing Primary color Secondary color Chromaticity Color solid Color wheel Color triangle Color analysis (fashion) Color realism (art style) On Vision and Colours (Schopenhauer) Theory of Colours (Goethe)

Basic terms	Blue Green Red Yellow Pink Purple Orange Black Gray White Brown
Cultural differences	Linguistic relativity and the color naming debate Blue–green distinction in language Color history Black-and-white dualism Blue in culture Color in Chinese culture Traditional colors of Japan Human skin color
Color dimensions	Hue Dichromatism Colorfulness Pastel colors Luminance Lightness Darkness Brightness Iridescence Fluorescence Grayscale Tint, shade and tone

Color
organizations

Names

Lists	List of colors: A–F List of colors: G–M List of colors: N–Z List of colors (compact) List of colors by shade List of color palettes List of color spaces List of Crayola crayon colors history Color chart List of RAL colors List of web colors
Shades of:	Red Orange Yellow Green Cyan Blue Violet Purple Magenta Pink Brown White Gray Black