The Increasingly Efficient Teenage Brain

The Increasingly Efficient Teenage Brain

Some brain networks become more densely connected during adolescence while others become less so, according to a new analysis published in eNeuro of neuroimaging data collected from more than 700 children and adolescents from the Philadelphia Neurodevelopmental Cohort. These changes in network connectivity may underlie the refinement of cognitive abilities that develop during the teenage years. Although the human brain's default and executive networks are mostly developed by early childhood, the characteristics of key nodes, or hubs, in these networks continue to mature into adulthood. Many of these changes emerge during adolescence, a crucial transitional period with lasting influence on...

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