Brodmann area 40 corresponds to which gyrus?

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Multiple Choice

Brodmann area 40 corresponds to which gyrus?

Explanation:
Brodmann area 40 is located in the inferior parietal lobule and corresponds to the supramarginal gyrus, which curves around the posterior end of the Sylvian (lateral) fissure. This makes it the parietal region you’re looking for when matching BA numbers to gyri. The angular gyrus, by contrast, is Brodmann area 39 and sits just posterior to the supramarginal gyrus. The pars opercularis is part of the frontal lobe (inferior frontal gyrus, around Brodmann area 44/45), and the primary visual area is Brodmann area 17 in the occipital lobe. So the supramarginal gyrus is the correct match for Brodmann area 40.

Brodmann area 40 is located in the inferior parietal lobule and corresponds to the supramarginal gyrus, which curves around the posterior end of the Sylvian (lateral) fissure. This makes it the parietal region you’re looking for when matching BA numbers to gyri. The angular gyrus, by contrast, is Brodmann area 39 and sits just posterior to the supramarginal gyrus. The pars opercularis is part of the frontal lobe (inferior frontal gyrus, around Brodmann area 44/45), and the primary visual area is Brodmann area 17 in the occipital lobe. So the supramarginal gyrus is the correct match for Brodmann area 40.

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