In Children of Average Intelligence,the Prefrontal Cortex Is Relatively Thick

question 5

Multiple Choice

In children of average intelligence,the prefrontal cortex is relatively thick at age 7,and then

• A) peaks in thickness by age 12 for all children regardless of intelligence.
• B) peaks in thickness at about age 8 for typical children but peaks at 11 to 12 years for highly intelligent children.
• C) remains the same over the middle childhood period, as it was when the child was younger.
• D) gradually increases in thickness as brain connections are increased.

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