All of the Following Are Advantages of FMRI Over PET

question 14

Multiple Choice

All of the following are advantages of fMRI over PET imaging EXCEPT fMRI:

• A)is a noninvasive procedure and the magnetic waves are harmless allowing research participants to undergo repeated fMRI scans.
• B)produces a sharper image than PET scans and therefore can detail much smaller brain structures.
• C)is that it provides a picture of brain activity averaged over seconds rather than the several minutes required by PET scans.
• D)involves the use smaller amounts of radioactively tagged glucose or oxygen than does PET.