What is the role of the frontal lobe in movement?

• A. It contributes to cognitive control and execution of movement.
• B. It processes visual information.
• C. It stores long-term memory.
• D. It regulates balance via the brainstem.

Answer: (A)

Movement hinges on planning, coordinating, and initiating voluntary actions that are guided by goals. In the frontal lobe, the motor areas—especially the primary motor cortex, premotor cortex, and supplementary motor area—translate plans into action. The primary motor cortex sends signals to the spinal cord to drive muscle contractions, while the premotor and supplementary motor areas organize the sequence and timing of movements and integrate sensory information and goals from other brain regions. The frontal lobes also provide cognitive control—planning, decision-making, and inhibition—to ensure movements are purposeful and adapted to the situation.

Visual information is processed mainly in the occipital lobe, long-term memory storage is associated with the medial temporal lobe and hippocampus, and balance is regulated by the cerebellum and vestibular systems, with brainstem involvement more indirect than primary control.