The area of the frontal operculum that is visible on the surface tends to be __________ on the right; however, the entire volume of the frontal operculum, including that buried in the sulci, tends to be __________ on the right.
A) larger; smaller
B) smaller; smaller
C) larger; larger
D) the same size on the left as; larger
E) smaller; larger

Question

Quizplus · Accepted Answer

Studies have shown that the visible portion of the frontal operculum tends to be larger on the right side of the brain. However, when the entire volume of the frontal operculum, including the portions buried in the sulci, is measured, it tends to be larger on the right side as well. Therefore, choice A is the correct answer as it describes both aspects of the frontal operculum's size in relation to cerebral lateralization.

The Area of the Frontal Operculum That Is Visible on the Surface