What is one advantage of fMRI over PET scans? A. The fMRI technique measures activity on a millisecondby-millisecond basis. B. The fMRI technique does not require inserting an electrode into the head....

What is one advantage of fMRI over PET scans?
A. The fMRI technique measures activity on a millisecondby-millisecond basis.
B. The fMRI technique does not require inserting an electrode into the head.
C. The fMRI technique does not expose the brain to radioactivity.
D. The fMRI technique identifies which brain areas are most active at a given moment.