Question

Which of the following statements about PET is true?

a. It is sensitive to levels of deoxyhemoglobin
b. It uses a radioactive tracer
c. It has better temporal resolution than FMRI
d. It has better spatial resolution than fMRI

Answer 1

PET is a medical imaging technique that can locate active regions in the brain during specific activities. It is not true that PET has better spatial resolution than fMRI.

Step-by-step explanation:

PET (positron emission tomography) is a medical imaging technique that uses radioactive tracers to create images of the brain. One of the true statements about PET is that it can locate regions in the brain that become active when a person carries out specific activities, such as speaking or closing their eyes. This makes PET useful for studying the brain's anatomy and function. However, it is not true that PET has better spatial resolution than fMRI. In fact, fMRI provides more detailed images of the brain's structure.