The prefrontal cortex changes very little after age 10.Therefore,in its structure and maturity this brain region in a teenager is similar to that of an adult.The prefrontal cortex changes significantly throughout our teens and into our 20s,as reflected by increased myelination of axons and synaptic pruning.

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Quizplus · Accepted Answer

The first sentence is false, as the prefrontal cortex does continue to change throughout adolescence and into early adulthood. The second sentence is true, as increased myelination and synaptic pruning are both processes that contribute to the development and maturation of the prefrontal cortex during this time period.

The Prefrontal Cortex Changes Very Little After Age 10