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Are We Viewing the Same Red Color?

red and green

Image credit: Vsauce.

It is probably a question for many of us: are we viewing colors in the same way? For sure, there exist people with disorders such as color blindness that may skew their perceptive function for colors. However, among the rest of us who have normal color vision, are we certain that we are viewing the same thing exactly?

In the following video from Vsauce, Michael studies this question in addition to other quandaries concerning animal perception, feelings and intelligence.

Source: Vsauce