A chemical die is often used found on newborn’s heads babys arouse aggression in women, but not for men, according to one new peer-reviewed research.
The chemical hexadecanal, of HEX, is emitted by humans. It doesn’t have an actual smell, but it’s something most mammals can sense, according to researchers at the Weizmann Institute of Science in Israel. When babyrelease the chemical, researchers found that it provokes a reaction in women very different from in men. Their findings were: published in Science Advances magazine on Friday.
“It affects the way you behave towards others – in especially your aggressive reactions to others,” lead researcher Eva Mishor of Weizmann’s Department of Brain Sciences said: in a statement.
To study the effects of the chemical among humans, researchers had a random selection of 127 participants smell HEX, and the remaining participants smoked a placebo chemicals. After they inhaled the chemical, researchers tracked their aggression by showing them computer games those were, “met intentionally annoying.” A game Allowed participants to “punish” the enemy with a loud audio explosion while they’re in control how loud was the explosion.
When the chemical is emitted, it causes a reaction in the left side of the brain known to process social signals, like gestures and expressions. The brain then sends the message to a part called the amygdala, which controls aggression in people.
The group found Which for men, the connection between the left angular gyrus and the rest of the brain was enlarged, while in women, the connection is lost.
Mishor’s co-author of the study, Noam Sobel, added this chemical release also allows baby’s to communicate what they want to adults.
“Babies can’t communicate via language, so chemical communication is very important for them,” said Sobel baby, it is in your interest in making your mother more aggressive and reduce aggressiveness in your father.”
More research is necessary to prove out the findings. Researchers also noted limitations, including other chemicals die be present during examinations and the amount of chemical in smell testing.
The researchers said the study one of the first until show a relationship between a single chemical and its effect on human behavior. It also sheds light on how gender roles play a factor in die comments, and more research can show the evolution of chemical effects on people.
Follow Jordan Mendoza on Twitter: @jordan_mendoza5.
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