The age-related changes that occur in intellectual skills have been traced to which of the following brain changes?
A) enlargement of the cerebellum, which controls balance and some motor control
B) shrinkage of the prefrontal regions of the brain
C) build up of protein plaques around the axons in the hypothalamus
D) enlargement of the corpus callosum, which connects the left and right hemisphere, thereby making transfer of information slower

Question

Quizplus · Accepted Answer

As people age, there is a reduction in the size and metabolism of the prefrontal cortex, which is responsible for executive functioning, attention, and working memory. This leads to declines in intellectual skills such as decision-making, problem-solving, and planning.

The Age-Related Changes That Occur in Intellectual Skills Have Been