The functional magnetic resonance imaging (fMRI) technique measures changes in ________ to image brain metabolic activity.
a. GABA
b. x-ray diffraction
c. blood oxygen level
d. magnetic waves
e. glucose levels
Question 2
Which of the following is an advantage of the functional magnetic resonance imaging (fMRI) technique?
a. FMRI scanners can be built cheaply.
b. Oxygen has a long-half life in brain.
c. The fMRI technique has a moderate degree of inherent danger.
d. The technique is slower than PET but is easier to compute.
e. The fMRI scan has a higher resolution relative to the PET scan.
Functional groups
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