One clear advantage of both PET and fMRI scans is the fact that they ___________.

Question

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PET and fMRI scans are noninvasive, meaning they do not require surgery to look into the body's functions. PET scans do require the injection of a radioactive tracer, and while fMRI provides information on brain activity, it's known more for function than high-resolution structural images, which is more the domain of MRI without the "f" for functional.

One Clear Advantage of Both PET and FMRI Scans Is