Angie has undergone some significant brain surgery to reduce her out-of-control seizures.As a result of this surgery,she is able to walk,talk,and think at near normal levels.She is,however,unable to report the name of an object shown to the left side of her visual field.She does not show the inability to name the object if it is shown to her right visual field.Based on this information,it is likely that Angie's surgery involved:
A) severing of the corpus callosum
B) severing of the frontal lobe
C) severing of the temporal lobe
D) a hemispherectomy

Question

Quizplus · Accepted Answer

Angie's inability to name an object shown in the left visual field suggests that the communication between the two hemispheres of her brain has been disrupted. This is a common effect of severing the corpus callosum, a bundle of fibers that connects the two hemispheres. Therefore, choice A is the best answer. The other options are less likely since they do not account for the specific pattern of Angie's deficit.

Angie Has Undergone Some Significant Brain Surgery to Reduce Her