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

question 64

Multiple Choice

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