How do people and animals see the world?

A photo from open sources

The human eye is a complex structure that perceives information about the world around us in the form of light waves. Currently exists many theories of light perception by the human eye. Dominates three-component theory based on the mixing mechanism colors perceived by three types of photoreceptors. Photos from open sources

Jay Neitz, Washington Ophthalmology Professor University, argues that humans, like other animals, are not sees blue color. In fact, the human eye perceives only a mixture of different colors and sometimes interprets them as blue. In total, any person, as a rule, will be distinguished by several million shades. Photos from open sources

The eyes of nocturnal animals are adapted perceive shapes and colors at dusk. Prehistoric ancestors people forced to lead a round-the-clock lifestyle, excellent distinguished blue shades. As evolution progresses, the organ of vision has lost the ability to perceive blue. However, not only blue a person perceives “wrong.” Today, a violation of perception red and green colors are quite common. Author ongoing study by Shozo Yokoyama says that about 8 percent of men and 1% of women have problems with recognition of red and green colors. Most animals generally perceive colors differently than humans. For example, cats, dogs, mice, rats and rabbits shade the world in shades of gray, blue and yellow colors. Bees and butterflies, as well as some species fish are able to perceive ultraviolet colors that are not available to the human eye. Photos from open sources

Of the entire spectrum of colors, the human eye can perceive quite narrow section. Some scientists believe that eye training can be taught to see usually inaccessible colors. In addition, all complementary colors are formed from blending. primary colors. Photos from open sources

The perception of the same color is very individual. For one person a color that looks green, another may be perceived purple. This is possible because the eyes are organs. perception, and analysis of the visual information they received deals with the brain. Thus, each person is visually perceives the world around him in his own way. This is due to anatomical features of the eye and functional features brain.

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