Regarding Research Using PET Scans and FMRI with Patients in a Persistent

Multiple Choice

Regarding research using PET scans and fMRI with patients in a persistent vegetative state, which of the following statements is\are TRUE?

A) Investigations using fMRI with patients in a persistent vegetative state showed varying degrees of frontal cortical activity in some of the patients.
B) Some patients in a persistent vegetative state have shown a frontal cortex response to hearing their own names.
C) When normal individuals and patients in a persistent vegetative state were administered a mildly painful stimulus, PET scans revealed brain activity in the midbrain, thalamus, and somatosensory cortex of both the normal and vegetative subjects.
D) All of these statements are true.