A patient reports that she is functionally blind after a focal brain injury, even though her eyes and optic nerves are completely intact. Of the structures listed here, the most probable location for the brain injury is the
A)inferior colliculus.
B)lateral geniculate nucleus.
C)superior temporal lobe.
D)postcentral gyrus.

Question

Quizplus · Accepted Answer

The lateral geniculate nucleus (LGN) is a part of the thalamus that acts as a major relay center for visual information received from the retina to the visual cortex. Damage to the LGN can disrupt this pathway, leading to visual deficits despite the eyes and optic nerves being intact.

A Patient Reports That She Is Functionally Blind After a Focal