Brain regions important to memory begin to atrophy as we age.This is best illustrated by the fact that the blood-brain barrier breaks down beginning in the
A) frontal lobes.
B) thalamus.
C) brainstem.
D) hippocampus.

Question

Quizplus · Accepted Answer

The hippocampus is a key brain region involved in the formation and retrieval of memories. Atrophy (loss of tissue) in the hippocampus has been linked to age-related memory decline and conditions such as Alzheimer's disease. The breakdown of the blood-brain barrier, which can allow harmful substances to enter the brain, has been observed in the hippocampus in aging and Alzheimer's disease.

Brain Regions Important to Memory Begin to Atrophy as We