Final answer:
Alcoholism can cause permanent ataxia and memory loss by impacting the cerebellum in the brain.
Step-by-step explanation:
Alcoholism can cause ataxia and memory loss. The region of the brain that is impacted by these symptoms is the cerebellum, which is responsible for coordinating movement and balance. Chronic alcohol exposure can lead to degeneration of the cerebellum, resulting in permanent ataxia and memory problems.