MRI (Magnetic Resonance Imaging)

Book Definition:

An imaging technique that relies on cells' responses in a high-intensity magnetic field.


Magnetic resonance was being studied in the 1940s and 1950s, finally after 40 years the MRI machine was available as a diagnostic resource on humans.

In Your Own Words

  • A commonly used brain scan device that uses pictures to distinguish the fine details of brain structure.
  • Creates detailed pictures of the brain by sending out magnetic pulses of energy and watching the brain tissue's response.


  • To perform brain studies and find brain damage or tumors.
  • If a person hits their head during a football game, they may get an MRI to make sure there are no internal brain injuries.
  • If you get bad headaches you can get an MRI to see what causes those headaches.
  • If someone gets in a bad car accident they may get a MRI to make sure there isn't serious brain trauma

Magnetic Resonance Imaging (MRI) equipment
Magnetic Resonance Imaging (MRI) equipment
external image coronalPit-MRI_rev_web-ready-37301.jpg

Additional Resources