Teens react more impulsively to danger than children or adults, which might explain why they're more likely to be involved in crimes, according to a new study.
"Crimes are often committed in emotionally charged or threatening situations, which push all the wrong buttons for reasoned decision-making in the adolescent brain," lead author Kristina Caudle, of Weill Cornell Medical College, said in a Society for Neuroscience news release.
"It's fascinating because, although the brains of young children are even less mature, children don't exhibit the same attraction to risky or criminal behaviors as do adolescents," Caudle said.
The researchers monitored the brains of 83 participants, aged 6 to 29, while they were shown pictures of faces with threatening or neutral expressions. The participants were instructed to press a button when they saw a neutral face and to refrain from pressing when they saw a threatening face.
Teens were less able than children or adults to refrain from pressing the button when they saw a threatening face. Teens who were able to control their response to threatening faces showed significantly higher activity in an area of the brain called the ventromedial prefrontal cortex compared to children and adults.
The prefrontal cortex is the part of the brain responsible for monitoring personality and impulse control. In adults, this brain section helps regulate responses to emotional situations, but it's in a state of change in teenagers.
Source: U.S. News & World Report
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