What body part do chimpanzees recognize each other better than their faces? Detailed answer

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What body part do chimpanzees recognize each other better than their faces? Detailed answer

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What body part do chimpanzees recognize each other better than their faces?

To recognize the faces of others, a person has a special part of the brain that helps to identify a face not by a set of individual features, but as a whole picture. This is proved by the inversion effect - if a person is shown the same faces, but upside down, the recognition accuracy decreases, although no features have changed. Chimpanzees also show the ability to recognize the faces of other individuals, but they have a much better ability to identify each other by the rear parts of the body, and it is for this case that the researchers found the effect of inversion in chimpanzees. This is apparently explained by the fact that in the females of most monkeys, during the period of ovulation, the skin around the genitals swells and turns red, and recognition of such a signal has become an important skill for males.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

When did the first submarine appear?

The first submarine is considered to be the ship of Cornelius Drebbel, built by him in 1626 for the amusement of the London nobility. In an exciting underwater journey on the first submarine, not a bit like modern submarines, 20 people could simultaneously go. To ensure water resistance, the wooden hull of the ship was covered with oiled leather.

The submarine dived to a depth of 5 meters and was rowed.

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