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From velvety purples to fiery reds, many people can see a spectrum of vivid colors via the human eye. Others, however, may have limited hue perception due to certain conditions. Animals, on the ...
While these improve the ability to see in darkness and enable cats to see using roughly one-sixth the amount of light that humans need, they appear to reduce net visual acuity, thus detracting when light is abundant. A cat's visual acuity is anywhere from 20/100 to 20/200, which means a cat has to be at 6 metres to see what an average human can ...
For some, everyday sounds can trigger seeing colors. For others, colors are triggered when musical notes or keys are being played. People with synesthesia related to music may also have perfect pitch because their ability to see and hear colors aids them in identifying notes or keys. [19]
The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.
The basis for this variation is the number of cone types that differ between species. Mammals, in general, have a color vision of a limited type, and usually have red–green color blindness, with only two types of cones. Humans, some primates, and some marsupials see an extended range of colors, but only by comparison with other mammals.
Blind cats make wonderful pets, just take Coraline! But they do need very special care. But they do need very special care. Because they can't see, you'll want to keep your blind cat indoors so ...
"When I see equations, I see the letters in colors. I don't know why. I see vague pictures of Bessel functions with light-tan j's, slightly violet-bluish n's, and dark brown x's flying around." [3] Frank Iero: Chromesthesia: b. 1981 United States Singer-songwriter, guitarist [4] Tilden Daken: Multiple 1876-1935 United States Artist
When they are first born, these kittens look like just your average newborn kittens, but that will soon change faster than you can imagine. Just look at these three little babies that were born to ...