Ask subjects to estimate the likelihood of the same events again. Adults incorporate the feedback into the new estimates. Adolescents update their estimates as adults do for good news, but feedback about bad news barely makes a dent. {Researcher: "How likely are you to have a car accident if you're driving while drunk?" Adolescent: "One chance in a gazillion." Researcher: "Actually, the risk is about 50 percent; what do you think your own chances are now?" Adolescent: "Hey, we're talking about me; one chance in a gazillion."} We've just explained why adolescents have two to four times the rate of pathological gambling as do adults.
( Robert M. Sapolsky )
[ Behave: The Biology of Humans ]
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