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- Opponent_process abstract "The color opponent process is a color theory that states that the human visual system interprets information about color by processing signals from cones and rods in an antagonistic manner. The three types of cones (L for long, M for medium and S for short) have some overlap in the wavelengths of light to which they respond, so it is more efficient for the visual system to record differences between the responses of cones, rather than each type of cone's individual response. The opponent color theory suggests that there are three opponent channels: red versus green, blue versus yellow, and black versus white (the last type is achromatic and detects light-dark variation, or luminance). Responses to one color of an opponent channel are antagonistic to those to the other color. That is, opposite opponent colors are never perceived together – there is no "greenish red" or "yellowish blue".While the trichromatic theory defines the way the retina of the eye allows the visual system to detect color with three types of cones, the opponent process theory accounts for mechanisms that receive and process information from cones. Though the trichromatic and opponent processes theories were initially thought to be at odds, it later came to be understood that the mechanisms responsible for the opponent process receive signals from the three types of cones and process them at a more complex level.Besides the cones, which detect light entering the eye, the biological basis of the opponent theory involves two other types of cells: bipolar cells, and ganglion cells. Information from the cones is passed to the bipolar cells in the retina, which may be the cells in the opponent process that transform the information from cones. The information is then passed to ganglion cells, of which there are two major classes: magnocellular, or large-cell layers, and parvocellular, or small-cell layers. Parvocellular cells, or P cells, handle the majority of information about color, and fall into two groups: one that processes information about differences between firing of L and M cones, and one that processes differences between S cones and a combined signal from both L and M cones. The first subtype of cells are responsible for processing red–green differences, and the second process blue–yellow differences. P cells also transmit information about intensity of light (how much of it there is) due to their receptive fields.".
- Opponent_process thumbnail Opponent_colors.svg?width=300.
- Opponent_process wikiPageID "1389391".
- Opponent_process wikiPageLength "9555".
- Opponent_process wikiPageOutDegree "42".
- Opponent_process wikiPageRevisionID "679679055".
- Opponent_process wikiPageWikiLink Black.
- Opponent_process wikiPageWikiLink Blue.
- Opponent_process wikiPageWikiLink Category:Color.
- Opponent_process wikiPageWikiLink Category:Image_processing.
- Opponent_process wikiPageWikiLink Category:Vision.
- Opponent_process wikiPageWikiLink Cell_(biology).
- Opponent_process wikiPageWikiLink Color.
- Opponent_process wikiPageWikiLink Complementary_color.
- Opponent_process wikiPageWikiLink Complementary_colors.
- Opponent_process wikiPageWikiLink Computer_vision.
- Opponent_process wikiPageWikiLink Cone_cell.
- Opponent_process wikiPageWikiLink Dorothea_Jameson.
- Opponent_process wikiPageWikiLink Ewald_Hering.
- Opponent_process wikiPageWikiLink Gaussian_color_model.
- Opponent_process wikiPageWikiLink Green.
- Opponent_process wikiPageWikiLink Grey.
- Opponent_process wikiPageWikiLink Human_eye.
- Opponent_process wikiPageWikiLink Impossible_color.
- Opponent_process wikiPageWikiLink Impossible_colors.
- Opponent_process wikiPageWikiLink Johann_Wolfgang_von_Goethe.
- Opponent_process wikiPageWikiLink Lab_color_space.
- Opponent_process wikiPageWikiLink Light.
- Opponent_process wikiPageWikiLink Luminance.
- Opponent_process wikiPageWikiLink Magnocellular_cell.
- Opponent_process wikiPageWikiLink Natural-vision-processing_model.
- Opponent_process wikiPageWikiLink Natural_Color_System.
- Opponent_process wikiPageWikiLink Opponent-process_theory.
- Opponent_process wikiPageWikiLink Parvocellular_cell.
- Opponent_process wikiPageWikiLink Receptive_field.
- Opponent_process wikiPageWikiLink Red.
- Opponent_process wikiPageWikiLink Retina.
- Opponent_process wikiPageWikiLink Retina_bipolar_cell.
- Opponent_process wikiPageWikiLink Retinal_ganglion_cell.
- Opponent_process wikiPageWikiLink Richard_Solomon_(psychologist).
- Opponent_process wikiPageWikiLink Rod_cell.
- Opponent_process wikiPageWikiLink Theory_of_Colours.
- Opponent_process wikiPageWikiLink Trichromacy.
- Opponent_process wikiPageWikiLink Visual_system.
- Opponent_process wikiPageWikiLink Wavelength.
- Opponent_process wikiPageWikiLink White.
- Opponent_process wikiPageWikiLink Yellow.
- Opponent_process wikiPageWikiLink File:Diagram_of_the_opponent_process.png.
- Opponent_process wikiPageWikiLink File:Opponent_colors.svg.
- Opponent_process wikiPageWikiLinkText "Opponent process".
- Opponent_process wikiPageWikiLinkText "a red–green channel and a yellow–blue channel".
- Opponent_process wikiPageWikiLinkText "color opponency".
- Opponent_process wikiPageWikiLinkText "color opponents".
- Opponent_process wikiPageWikiLinkText "color-opponent".
- Opponent_process wikiPageWikiLinkText "four psychological primary colors".
- Opponent_process wikiPageWikiLinkText "opponent color spaces".
- Opponent_process wikiPageWikiLinkText "opponent color theory".
- Opponent_process wikiPageWikiLinkText "opponent process".
- Opponent_process wikiPageWikiLinkText "opponent".
- Opponent_process wikiPageWikiLinkText "opponent-process model".
- Opponent_process wikiPageWikiLinkText "opponent-process".
- Opponent_process wikiPageWikiLinkText "three channels for color detection".
- Opponent_process hasPhotoCollection Opponent_process.
- Opponent_process wikiPageUsesTemplate Template:Citation_needed.
- Opponent_process wikiPageUsesTemplate Template:Color_vision.
- Opponent_process wikiPageUsesTemplate Template:For.
- Opponent_process wikiPageUsesTemplate Template:Main.
- Opponent_process wikiPageUsesTemplate Template:Reflist.
- Opponent_process subject Category:Color.
- Opponent_process subject Category:Image_processing.
- Opponent_process subject Category:Vision.
- Opponent_process hypernym Theory.
- Opponent_process type Article.
- Opponent_process type Book.
- Opponent_process type Algorithm.
- Opponent_process type Article.
- Opponent_process type Field.
- Opponent_process type Technique.
- Opponent_process comment "The color opponent process is a color theory that states that the human visual system interprets information about color by processing signals from cones and rods in an antagonistic manner. The three types of cones (L for long, M for medium and S for short) have some overlap in the wavelengths of light to which they respond, so it is more efficient for the visual system to record differences between the responses of cones, rather than each type of cone's individual response.".
- Opponent_process label "Opponent process".
- Opponent_process sameAs نظرية_اللون_المضاد.
- Opponent_process sameAs Gegenfarbtheorie.
- Opponent_process sameAs m.04yp76.
- Opponent_process sameAs Q303997.
- Opponent_process sameAs Q303997.
- Opponent_process wasDerivedFrom Opponent_process?oldid=679679055.
- Opponent_process depiction Opponent_colors.svg.
- Opponent_process isPrimaryTopicOf Opponent_process.