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

Multiple Choice

In one PET scan study, normal individuals and patients in a persistent vegetative state were administered a mildly painful stimulus. Findings from this study included which of the following?

A) Normal individuals consciously reported feeling pain, while vegetative patients did not.
B) PET scans revealed brain activity in the midbrain, thalamus, and somatosensory cortex of both normal individuals and vegetative patients.
C) Only the normal individuals in this study showed activity in frontal cortical regions, while the patients in a vegetative state did not.
D) All of these were findings of this study.