• Thumbnail for Trichromacy
    Trichromacy or trichromatism is the possession of three independent channels for conveying color information, derived from the three different types of...
    14 KB (1,585 words) - 08:43, 2 April 2024
  • Thumbnail for Color blindness
    Anomalous trichromacy is the mildest type of color deficiency, but the severity ranges from almost dichromacy (strong) to almost normal trichromacy (mild)...
    93 KB (10,129 words) - 16:50, 3 May 2024
  • Thumbnail for Tetrachromacy
    opponent process theory, humans have three opponent channels, which grant trichromacy. Whether a fourth opponent channel is available to facilitate tetrachromacy...
    24 KB (2,684 words) - 14:02, 13 April 2024
  • Thumbnail for Evolution of color vision in primates
    females are trichromats, a condition known as allelic or polymorphic trichromacy. Among platyrrhines, the exceptions are Alouatta (routine trichromats)...
    31 KB (3,830 words) - 09:07, 2 April 2024
  • Thumbnail for Chromaticity
    intensity, or excitation purity. This number of parameters follows from trichromacy of vision of most humans, which is assumed by most models in color science...
    6 KB (524 words) - 10:31, 6 November 2023
  • Thumbnail for Monochromacy
    a prerequisite for trichromacy. An alteration of any of these three cone opsins can lead to colorblindness. Anomalous trichromacy, when all three cones...
    12 KB (1,452 words) - 20:27, 5 February 2024
  • Thumbnail for Congenital red–green color blindness
    Dichromacy gives the suffix -anopia (from the Greek for "no sight") Anomalous trichromacy gives the suffix anomaly (from the Greek for "irregular"). The dimensionality...
    36 KB (3,276 words) - 13:53, 19 March 2024
  • Tetrachromacy, a different biological system from trichromacy, possibly found in some people Trichromacy, scientific description of the RGB model for human...
    7 KB (667 words) - 14:12, 30 October 2023
  • Thumbnail for Color
    perceived in the visible light spectrum with three types of cone cells (trichromacy). Other animals may have a different number of cone cell types or have...
    50 KB (5,726 words) - 02:53, 11 April 2024
  • in placental mammals are old world monkeys and apes, which re-evolved trichromacy, and marine mammals (both pinnipeds and cetaceans) which are cone monochromats...
    15 KB (1,711 words) - 22:04, 25 April 2024
  • Thumbnail for Cone cell
    partial color blindness include protanopia, deuteranopia, etc. Oligocone trichromacy - poor visual acuity and impairment of cone function according to ERG...
    16 KB (1,938 words) - 15:11, 29 April 2024
  • Thumbnail for Insect
    with color vision. Phylogenetic analysis suggests that UV-green-blue trichromacy existed from at least the Devonian period, some 400 million years ago...
    134 KB (12,771 words) - 08:46, 4 May 2024
  • Thumbnail for Color vision
    theory and Hering's opponent-process theory are therefore correct, but trichromacy arises at the level of the receptors, and opponent processes arise at...
    64 KB (7,831 words) - 19:37, 14 April 2024
  • Thumbnail for Memory color effect
    memory color effect is related to the emergence of trichromacy because it has been argued that trichromacy evolved to optimize the ability to detect ripe...
    8 KB (1,025 words) - 22:01, 7 March 2024
  • Thumbnail for New World monkey
    Jay Neitz; Maureen Neitz (December 1998). "Recent evolution of uniform trichromacy in a New World monkey". Vision Research. 38 (21): 3315–3320. doi:10...
    19 KB (2,069 words) - 04:59, 28 April 2024
  • Thumbnail for Spectral power distribution
    hence the blue color appearance. The human visual response relies on trichromacy to process color appearance. While the human visual response integrates...
    8 KB (753 words) - 16:31, 20 April 2024
  • Thumbnail for Visible spectrum
    (including humans) have since evolved two versions in the LWS class to regain trichromacy. Unlike most mammals, rodents' UVS opsins have remained at shorter wavelengths...
    34 KB (3,899 words) - 23:31, 15 April 2024
  • Thumbnail for Evolution of primates
    supporting the Fruit Theory, there is some dispute about whether or not trichromacy was more advantageous for determining how ripe fruit was up close or...
    21 KB (2,264 words) - 11:47, 11 March 2024
  • Thumbnail for False color
    under investigation. As the human eye uses three spectral bands (see trichromacy for details), three spectral bands are commonly combined into a false-color...
    27 KB (2,239 words) - 09:37, 31 March 2024
  • Thumbnail for RYB color model
    referred to as "the primary psychological colors". The first known case of trichromacy coloration (of 3 primaries) can be found in a work on optics by the Belgian...
    15 KB (1,701 words) - 18:58, 1 March 2024
  • Thumbnail for EnChroma
    either deuteranomaly or protanomaly, both forms of red-green anomalous trichromacy, the most common forms of partial color blindness. The mechanism of red-green...
    16 KB (1,660 words) - 18:10, 25 April 2024
  • Thumbnail for Primary color
    2010). "The dimensionality of color vision in carriers of anomalous trichromacy". Journal of Vision. 10 (8): 12. doi:10.1167/10.8.12. PMID 20884587....
    84 KB (9,746 words) - 10:45, 3 May 2024
  • dichromacy) or have a lower dynamic range (in the case of anomalous trichromacy). For example, individuals with deuteranopia see little difference between...
    30 KB (3,499 words) - 04:35, 23 February 2024
  • Thumbnail for Color task
    can range drastically from monochromacy (no color vision) to anomalous trichromacy (can be as mild as being indistinguishable from normal color vision)...
    8 KB (880 words) - 17:05, 8 November 2023
  • responses to light by three types of color receptors or cones in the retina (trichromacy). On this basis the quantitative description of the color mixture or...
    28 KB (3,864 words) - 00:36, 3 May 2024
  • cone. These mice had improved range of color vision and have gained trichromacy, as tested by electroretinogram and behavioral tests. However, this is...
    18 KB (2,336 words) - 18:26, 1 May 2024
  • Thumbnail for Sensory nervous system
    Horiguchi, H.; Winawer, J.; Dougherty, R. F.; Wandell, B. A. (2012). "Human trichromacy revisited". Proceedings of the National Academy of Sciences. 110 (3):...
    29 KB (3,276 words) - 12:02, 29 March 2024
  • Thumbnail for Color blind glasses
    the peak wavelength to higher or lower wavelengths. Since anomalous trichromacy (protanomaly and deuteranomaly) result from the peak wavelengths of two...
    27 KB (3,109 words) - 09:35, 7 April 2024
  • Thumbnail for Color constancy
    Chromatic adaptation Memory color effect Shadow and highlight enhancement Trichromacy Tetrachromacy Theory of Colours Boudrioua, Azzedine; Rashed, Roshdi;...
    29 KB (3,344 words) - 00:28, 28 November 2023
  • Thumbnail for CIE 1931 color space
    offset to the white point depending on the display technology used. Trichromacy Impossible color CIELAB color space Standard illuminant, the definition...
    55 KB (7,503 words) - 12:25, 8 April 2024