In One PET Scan Study, Normal Individuals and Patients in a Persistent

question 38

Multiple Choice

In one PET scan study, normal individuals and patients in a persistent vegetative state were administered a mildly painful stimulus. The findings of this study revealed that

• A)the normal individuals consciously reported feeling pain, while the vegetative patients did not.
• B)only the normal individuals showed brain activity in the midbrain, thalamus, and somatosensory cortex, while the vegetative patients showed none of this activity on the PET scans.
• C)both normal and vegetative patients showed activity in their frontal cortical regions on the PET scans.
• D)all of these occurred.

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