Which statement supports the notion that the prefrontal cortex is related to the negative symptoms of schizophrenia?
A. Patients show a greater number of neurons within the gray matter of the frontal cortex.
B. Patients show greater activity of the frontal cortex than do controls.
C. Patients do poorly on neuropsychological tests that are sensitive to damage of the prefrontal cortex.
D. MRI studies indicate abnormalities within the parietal cortex.
Answer: C
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