Why is helium important for MRI machines?
Liquid helium is used to cool the superconducting magnets in MRI machines.
Who performed the first full-body MRI scan?
Raymond Damadian performed the first full-body MRI scan of a human in 1977.
Who won the Nobel Prize for MRI?
Paul Lauterbur and Peter Mansfield won the 2003 Nobel Prize for MRI.
Do MRI scans use radiation?
MRI scans don't use ionizing radiation.
Why are MRI machines so loud?
MRI machines make loud banging noises.
Why was "nuclear" dropped from MRI's name?
MRI was originally called "nuclear magnetic resonance imaging," but "nuclear" was dropped to avoid scaring patients.
How strong are MRI magnets?
MRI magnets are thousands of times stronger than Earth's magnetic field.
Why can't you bring metal into an MRI room?
Metal objects can be pulled into an MRI machine by its powerful magnet.
What is fMRI?
fMRI measures brain activity by tracking blood flow.
What was the dead salmon fMRI study?
A 2009 study scanned a dead salmon with fMRI to show how statistical errors can produce false results.
What is the most powerful MRI scanner?
France's Iseult MRI scanner produced its first images of the human brain in 2024.