Consider the Frontal Lobe

Multiple Choice

Consider the frontal lobe. With respect to myelination during childhood and adolescence, which of the following alternatives is probably MOST accurate?

A) Myelination progresses rapidly in both primary motor cortex and prefrontal cortex.
B) Myelination is not complete until after puberty in either primary motor cortex or prefrontal cortex.
C) Myelination progresses rapidly in primary motor cortex, but is not complete until after puberty in prefrontal cortex.
D) Myelination progresses rapidly in prefrontal cortex, but is not complete until after puberty in primary motor cortex.