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.

Question

Quizplus · Accepted Answer

Studies have found that for typically developing children, the prefrontal cortex reaches its peak thickness around age 8. However, for highly intelligent children, the peak thickness may occur later, at around 11 to 12 years of age.

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