By 
Sarah-Jayne Blakemore
 | 
TED Stage Talk

The mysterious workings of the adolescent brain

Why do teenagers seem so much more impulsive, so much less self-aware than grown-ups? Cognitive neuroscientist Sarah-Jayne Blakemore compares the prefrontal cortex in adolescents to that of adults, to show us how typically "teenage" behavior is caused by the growing and developing brain.

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