Which Brodmann areas comprise the dorsolateral prefrontal cortex?

Which Brodmann areas comprise the dorsolateral prefrontal cortex?

• A. BA 41, 42
• B. BA 46, 9
• C. BA 17
• D. BA 4

Answer: (B)

Executive control and working memory are housed in the dorsolateral prefrontal cortex, located on the lateral surface of the frontal lobe in the dorsal and lateral parts of the middle and superior frontal gyri. These areas are repeatedly linked to planning, cognitive flexibility, and the ability to hold and manipulate information. The other options point to regions outside this area: primary auditory cortex sits in the temporal lobe, primary visual cortex in the occipital lobe, and primary motor cortex in the precentral gyrus. Those regions are involved in basic perception or movement rather than the high-level control processes of the dorsolateral prefrontal cortex. So the described lateral, dorsal frontal regions best fit the dorsolateral prefrontal cortex.

Executive control and working memory are housed in the dorsolateral prefrontal cortex, located on the lateral surface of the frontal lobe in the dorsal and lateral parts of the middle and superior frontal gyri. These areas are repeatedly linked to planning, cognitive flexibility, and the ability to hold and manipulate information. The other options point to regions outside this area: primary auditory cortex sits in the temporal lobe, primary visual cortex in the occipital lobe, and primary motor cortex in the precentral gyrus. Those regions are involved in basic perception or movement rather than the high-level control processes of the dorsolateral prefrontal cortex. So the described lateral, dorsal frontal regions best fit the dorsolateral prefrontal cortex.