A 39-Year-Old Right-Handed Man Is Brought to the Office by His

A 39-year-old right-handed man is brought to the office by his wife due to concerns about his behavior.  Two months ago, the patient was robbed and hit in the head and knees with a baseball bat when he resisted.  He initially had difficulty walking, but his injuries have since healed.  His wife and other family members say that his overall demeanor has changed significantly since the attack.  Prior to the assault, the patient was kind, considerate, and extremely polite.  However, since the attack, he has been very irritable and rude, and was recently fired from his job for insulting customers and making socially insensitive comments to coworkers.  Damage to which anatomical region of the brain is the most likely explanation for this patient's symptoms?

A) Corpus callosum
B) Dominant parietal cortex
C) Dominant temporal cortex
D) Lateral prefrontal cortex
E) Nondominant parietal cortex
F) Nondominant temporal cortex
G) Orbitofrontal cortex

Correct Answer:

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