Question

multiple choice question which area of the brain shrinks the most as we age, losing as much as 45% of its cells? cerebellum diencephalon cerebral cortex brain stem

Explanation:

As we age, the cerebellum is known to shrink significantly and can lose up to about 45% of its cells. It plays a key - role in motor control, balance, and some cognitive functions. The other brain regions mentioned do not typically experience such a high degree of cell loss with aging.

Answer:

A. cerebellum