Which part of the brain is primarily responsible for regulating a person's hunger drive?

• A. Amygdala
• B. Cerebellum
• C. Thalamus
• D. Hypothalamus

Answer: (D)

Verified step by step guidance

1. Understand that the question is asking about the brain region responsible for regulating hunger, which is a fundamental biological drive.
2. Recall that the brain has several key areas involved in different functions: the amygdala is mainly involved in emotions, the cerebellum in motor control, and the thalamus in sensory relay.
3. Identify that the hypothalamus is the brain structure known for regulating basic drives such as hunger, thirst, and body temperature.
4. Recognize that the hypothalamus monitors the body's energy needs and signals hunger when energy levels are low.
5. Conclude that among the options given, the hypothalamus is the correct answer because it directly controls the hunger drive.