Johann is 83 years old and has recently experienced a stroke, which left the right side of his body paralyzed. In addition, he is having trouble understanding direct questions or requests. Johann has no trouble speaking. Which of the following brain areas is likely to have been damaged by Johann's strokes?
A) Somatosensory cortex
B) Wernicke's area
C) Hypothalamus
D) Broca's area
E) Reticular activating system