Which part of the brain does alcohol depress that is responsible for judgment?

The correct choice is the frontal lobe because this part of the brain plays a critical role in executive functions, which include decision-making, judgment, impulse control, and social behavior. When alcohol is consumed, it depresses the activity of the frontal lobe, leading to impaired judgment. This impairment can manifest as poor decision-making, increased impulsivity, and a reduced ability to assess risks and consequences, which are all critical aspects of sound judgment.

In contrast, the other regions mentioned have different primary functions. The occipital lobe is primarily responsible for visual processing, the cerebellum mainly coordinates movement and balance, and the brainstem controls basic life functions such as breathing and heart rate. While alcohol can affect these areas as well, its most notable and immediate impact on judgment is through its depressant effects on the frontal lobe.