Wednesday, February 16, 2011

Afraid of snakes and afraid

Remind of snakes and spiders, many people will be the creeps. American researchers say, human to the snake and spiders fear not born, but acquired.

American pull of rutgers university Vanessa lothrop than and Carnegie Mellon university and the university of Virginia - researchers jointly organize experiment.

In one experiment, their babies in seven months before, and put two side-by-side TV broadcast animal pictures. One of the television screen, a snake broadcast elephants is not terrible animal pictures. Animal pictures appeared, researchers can broadcast terrible or cheerful voice.

The results showed that at the terrible voice, the baby attention snake picture longer, but not afraid to show.

In another experiment, the researchers use screen to 3 years old children show 9 photo, then let them choose according to the instructions. The results showed that the children identify snake photos speed far more quickly than in recognition of flowers and other animal pictures. of snakes children identify snake photo speeds.

"Experiments show that we tend to quickly find snakes and spiders, and integrating them with bad things, like a horrible noise, contact together." Britain's daily mail 25 quoted los than words reported.

She said that, the child can quickly identify the snake, and then quickly learn to fear them.

Many scientists previously believed that humans to the snake and spiders fear by millions of years of evolution. One story is, humans so afraid of spiders and snakes because they are toxic, natural selection let those who know fear and stay away from the snake and spiders are more likely to survive.

However, luo bisi experiments showed that little baby although can quickly recognize these potentially dangerous animals, but they are not afraid of snakes, this explains this fear is not innate formation. Previous experiments have suggested that people after "practice", can "association" fear almost anything.

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