The prefrontal cortex is involved in which aspects of goal-directed behavior?

• A. Motor coordination and balance.
• B. Planning, decision-making, inhibitory control, working memory, and cognitive flexibility.
• C. Primary sensory processing.
• D. Coordination of autonomic functions.

Answer: (B)

Goal-directed behavior relies on executive functions supported by the prefrontal cortex, enabling planning, decision-making, and control of actions. This region helps you map out steps to achieve a goal, weigh options, and select actions that fit long-term aims. It also governs inhibitory control—resisting impulses that would derail a plan—while maintaining relevant information in working memory to guide current choices. Flexible adjustment of strategies in response to changing goals or feedback—cognitive flexibility—is another key function. Different parts of the prefrontal cortex contribute to these processes: planning and working memory are linked to the dorsolateral regions, decision-making and reward evaluation involve the ventromedial/orbitofrontal areas, and monitoring of conflicts or errors engages additional prefrontal circuits. By contrast, motor coordination and balance rely more on the cerebellum and motor networks, primary sensory processing occurs in dedicated sensory cortices, and autonomic regulation involves brainstem and related autonomic networks. So the listed aspects of planning, decision-making, inhibitory control, working memory, and cognitive flexibility are precisely the executive functions associated with the prefrontal cortex.