PET scans, CT scans, and MRIs are three different neuroimaging techniques for getting the same information about the functions and structures of a person's brain.

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PET scans, CT scans, and MRIs are all neuroimaging techniques, but they each provide different types of information about the brain. PET scans measure brain activity by tracking the uptake of a radioactive tracer; CT scans use X-rays to create detailed images of the brain's anatomy; and MRIs use a magnetic field and radio waves to create detailed images of the brain's anatomy and function.

PET Scans, CT Scans, and MRIs Are Three Different Neuroimaging