That is the conclusion from a new analysis of emerging research on childish brain development from Temple University professor of psychology Laurence Steinberg, PhD.
Teenagers anticipate out risk-taking expressions, the research suggests, because the brain systems compound in decision-making get along at different times.
The section of the brain most involved in emotion and social interaction becomes very spry during puberty, while the section most critical for regulating behavior is still maturing into early adulthood.
This explains, Steinberg says, why teens are so supersensitised to peer pressure and why education and prevention efforts designed to keep teens from engaging in risk-taking behaviors dont work all that well.
We have tried to prevent these behaviors by educating kids about the dangers of things like smoking, drinking, taking drugs, and unprotected sex, he tells WebMD. The thinking has been if they know about the dangers they wont do these things, but that is clearly not true.
Evolutionary Advantage
Child and insipid psychiatrist Jay Giedd, MD, performed much of the brain-imaging research highlighted in the analysis in his role as chief of brain imaging in the child psychiatry branch of the National Institute of psychical Health (NIMH).
Giedd tells WebMD that the way the brain develops creates a period of risk-taking picture that is greatest around puberty.
That is when the balance is tipped most in favor of high emotions and risk taking, he says. The key move of the brain involved in controlling impulses and risky behavior dont really reach maturity until about age 25.
He adds that risk taking among adolescents is seen in all mammals, suggesting a biologic basis for the behavior that helped the class survive.
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