Assertion: dementia's brain | /r/CapableOf | use magnetic fields
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text: The most common scans are: Computed tomography (CT), which uses x rays to produce images of the brain and other organs Magnetic resonance imaging (MRI), which uses magnetic fields and radio waves to produce detailed images of body structures, including tissues, organs, bones, and nerves Positron emission tomography (PET), which uses radiation to provide pictures of brain activity