One thing is certain about teenagers:Things changeported that a person's IQ may rise or fall and regions of the brain may change during the teenage years.
An IQ measures a person's ability to think and reason.Many researchers have believed it never alters for a person.If that were true,then your IQ at 10 would be the same as your IQ at 40.The new study shows it is not the case.A person's IQ can change,Richard Haier said.Haier,a brain researcher at the University of California,Irvine,called the new results“extremely interesting”.
Brain researcher Cathy Price,who teaches at University College London,designed an experiment to know about the mysteries of how teenagers think.In 2004,she and her colleagues tested the IQs of 33 teens who ranged from 12 to 16.At the same time,the scientists took pictures of the teens' brains using MRI.An MRI produces images of the brains using radiation and a powerful magnetic field.
A few years later,in 2007 and 2008,the participants returned to the lab.Like the first time,the scientists tested the teens' IQs and used an MRI to see their brains.But when Price compared the old and new results,she was shocked.Many of the teenagers' IQs had changed greatly over the years.One person had lost 18 IQ points;another had gained 21.Some people with high IQs on the first test had even higher IQs on the second.And some lowscoring individuals saw their scores fall even further.hat did the brain researchers mainly report recently?
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