Final answer:
The prefrontal cortex is the cortical region most involved in planning and is crucial for the strategy-shifting ability required in the Wisconsin Card Sorting Test.
Step-by-step explanation:
The ability to shift selection strategies in the Wisconsin Card Sorting Test likely involves the prefrontal cortex, the cortical region most involved in planning. The prefrontal cortex is essential for high-level cognitive processes such as judgment, abstract reasoning, and working memory, which are critical in complex tasks like the Wisconsin Card Sorting Test where adaptability and strategy shifting are tested.
This region of the brain is anterior to motor association areas and is not directly related to specific motor functions. It comprises parts of the frontal lobe that are crucial for making decisions and planning movements based on assessments of whether those movements should be made, such as in problem-solving tasks.