Which of the following students provides the best understanding of the PET scan technique?
a. Prinsetta: "PET scans record fluctuations in the brain activity that are completed within a fraction of a second."
b. Lisa: "Unfortunately, the PET scan can only be used for someone who has a brain lesion."
c. Jeff: "A PET scan is basically a very fast version of the event-related potential."
d. Jamie: "The PET scan creates an image based on a chemical that travels through the bloodstream."
Ans: d
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What will be an ideal response?