A 38-Year-Old Man Is Brought to the Office for Evaluation

A 38-year-old man is brought to the office for evaluation of behavioral changes.  His wife says the patient has had frequent outbursts of anger, depressive mood, and insomnia.  The patient recently lost his job as a machine operator because of lack of focus and poor memory.  Over the past several years, he also has had involuntary, jerky, nonpurposeful movements of the extremities and face that have progressively worsened.  These abnormal movements are present while he is awake but not during sleep.  His 55-year-old mother has similar abnormal body movements and is at a nursing home with dementia.  Which of the following labeled regions of a normal brain is most likely to be affected by this patient's disease process?

A) A
B) B
C) C
D) D
E) E

Correct Answer:

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