Question

to identify which area of heathers brain is most active during daydreams, neuroscientists administer a temporarily radioactive form of glucose and a(n) a fmri. b pet scan. c eeg. d mri.

Explanation:

PET scans use a temporarily radioactive form of glucose to show brain activity by detecting where the glucose is being used. fMRI and MRI do not use radioactive glucose. EEG measures electrical activity in the brain, not glucose - based activity.

Answer:

B. PET scan