As Humans Age, Which of the Following Accurately Describes What

Multiple Choice

As humans age, which of the following accurately describes what happens to their brains?

A) neocortical white matter volume shrinks by nearly a third between the ages of 20 and 90
B) cortical regions begin to shrink at 0.5% a year starting at age 60
C) the sizes of the ventricles increases, especially in men
D) all of the above