Clinical Research Glossary

Magnetic Resonance Imaging (MRI) Magnetic Resonance Imaging (MRI)


A way to take pictures of the inside of a person’s body with a machine that uses strong magnets and radio waves.

Example of Magnetic Resonance Imaging (MRI) in a sentence

Magnetic Resonance Imaging (MRI) is most often used to take pictures of bones, tissues, organs or the brain.

More Info

During an MRI, powerful magnets and radio waves are used to create very detailed pictures of the inside of a person’s body. MRIs do not involve radiation.

An MRI may be done as part of screening, or as a way to collect data about a participant throughout the study.

Other info to think about when joining a study

You may have heard the term “MRI” when talking to your regular doctor. Some research studies may involve getting an MRI. If you have an MRI you will not be exposed to any radiation.

You can ask why a study is using MRIs. You may also want to know if the study team will share your MRI pictures with you or your regular doctors. In general, MRI research scans are done for the research and not to identify specific health problems. If you have concerns about your health, please discuss them with your regular doctor.

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