tetrachromacy

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• Tetrachromacy — is the condition of possessing four independent channels for conveying color information, or possessing four different cones. Organisms with tetrachromacy are called tetrachromats. For these organisms, the perceptual effect of any arbitrarily… …   Wikipedia



• Color — This article is about the perceptual property. For other uses, see Color (disambiguation). For usage of color on Wikipedia, see Wikipedia:Colors. Colored pencils Color or colour (see spelling differences) is the visual perceptual property… …   Wikipedia

• Fovea centralis — Schematic diagram of the human eye, with the fovea at the bottom. It shows a horizontal section through the right eye Latin fovea centra …   Wikipedia



• Budgerigar — Male at Cologne Zoo, Germany Conservation status …   Wikipedia

• Trichromacy — is the condition of possessing three independent channels for conveying color information, derived from the three different cone types. [ [http://tigger.uic.edu/ hilbert/Glossary.html Color Glossary ] ] Organisms with trichromacy are called… …   Wikipedia

• Pentachromacy — is the condition of possessing five independent channels for conveying color information. Organisms with pentachromacy are called pentachromats . For these organisms, the perceptual effect of any arbitrarily chosen light from its visible spectrum …   Wikipedia

• Supertaster — A supertaster is a person who experiences taste with far greater intensity than average. Women are more likely to be supertasters, as are Asians and Africans. Among individuals of European descent, it is estimated that about 25% of the population …   Wikipedia

• Somatosensory amplification — (SA) is a tendency to perceive normal somatic and visceral sensations as being relatively intense, disturbing and noxious. It is a common feature of hypochondriasis and is commonly found with fibromyalgia, major depressive disorder, some anxiety… …   Wikipedia