Date: 10 months ago   Category: Health

"My wife and my mother-in-law": scientists have explained popular optical illusion


Researchers have connected the well-known optical illusion with age the person who looks at it.

the Drawing under the name "My Wife and My Mother-in-law" has for the first time appeared on the German card of 1888. In the 1915th the new version executed by the caricaturist William Elie Hill was issued. As it is simple to guess, in the drawing it is possible to make out two women: young and old. The first has turned away aside while the second is represented in a profile. Her large nose is clearly visible.

Now Business Insider has paid attention to the work published in the Scientific Reports magazine. According to conclusions of authors of a research, the feature of perception of the drawing is at the age of looking.

have shown the Image to 393 people: To 242 men and 151 women. Their age was from 18 to 68 years. Volunteers have asked to determine the age of the drawn person. People are younger than thirty more often saw the girl while people are more senior than thirty perceived the drawn woman as "mother-in-law".

the Edition also notes that on perception of the image it is impossible to estimate psychological age of the person looking not him.

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