Which of the following is NOT a function of the cerebellum?

The correct selection indicates that the regulation of heartbeat is not a function of the cerebellum. The cerebellum is primarily involved in coordination of voluntary movements, balance, and motor learning. It integrates sensory information and fine-tunes motor activity to ensure smooth and coordinated physical movements.

While the cerebellum contributes significantly to the coordination of movements, maintenance of balance, and enhancements in motor learning—such as improving skills through practice or repetition—its functions do not include autonomic processes like regulating the heartbeat. The heartbeat is primarily controlled by the autonomic nervous system, particularly through the actions of the medulla oblongata in the brainstem, which oversees involuntary functions such as heart rate and respiration. Thus, identifying the regulation of heartbeat as not being a function of the cerebellum highlights the distinct roles different brain structures play in the body’s overall functioning.