What color do dogs see ?: an expert revealed the scientific truth behind the myth

June 28, 2020 2:42 PM

The doubt was cleared by a specialist who published an article on the vision of dogs.

A specialist revealed what happens to the vision of dogs.

It is recurrent that the myth about the vision of dogs is a matter of debate. It is emphasized that they see in black and white, as well as colors, just like people. However, an expert clarified this situation.

The truth is that these faithful companions are colorblind, which does not mean that they do not appreciate color tones, but rather that the scale is not as wide as that of humans.

In this regard, the doctor in Psychology Stanley Coren He published a recent article in Psychology Today, where he indicated that the color vision of dogs is not “as rich or intense as ours”.

Coren explained that the eyes capture light through special cells called cones, of which there are different types, tuned to different wavelengths of light. This allows humans, with three different types of cones, to have a full range of color vision.

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Color blindness is generated precisely by the absence of one of those three types of cones, Coren continues. It is for this reason that colorblind people can see colors, but much less than someone with normal vision.

“This is the situation of dogs, which also have only two types of cones,” said the specialist.

Coren recalled in his article a study by the University of California that evaluated the color vision of dogs and that confirms this theory.

Instead of seeing the rainbow as violet, blue, teal, green, yellow, orange, and red, dogs would see it as dark blue, light blue, gray, light yellow, dark yellow (coffee-like), and very dark gray. Coren noted.

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The psychologist noted, as a curiosity, that red or orange, very popular colors in dog toys, will not be appreciated by the animal. “This means that the bright red toy that is so easy for you to see can be difficult to distinguish for the dog,” he said.

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