Which of the Following Best Describes What Occurs in the Brain

Multiple Choice

Which of the following best describes what occurs in the brain of highly intelligent children as they become young adults?

A) The corpus callosum becomes thicker and then it thins.
B) The thalamus grows more neural connections with the cortex.
C) The cortex, that was once thicker than normal in childhood, thins.
D) The cortex continues to thicken.