Summary Of Ted Talks

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Dr. Sarah-Jayne Blakemore explains to the audience of Ted Talks why adolescents are so different from other people, by studying their brain development with MRI machinery. Adolescence, defined by Blakemore, “involves the time between puberty and the period in time where one can achieve a stable and independent role in society.” Dr. Blakemore goes back to comparing the technology that can study the brain from present day to the one from fifteen years ago. Today, there are now two different MRI scanners, Structural MRI, one that takes a “snapshot” of the human brain, and Functional MRI, an imaging system that observes the brain's activity while a person is told to complete several tasks.
Neither of the MRI existed 15 years ago. The two Magnetic

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