1. Also called functional MRI . functional magnetic resonance imaging: a procedure that uses MRI technology to measure and map brain activity by detecting changes in the brain’s blood flow and oxygenation.

  2. functional magnetic resonance imager: a type of MRI scanner that is used in this procedure.

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British Dictionary definitions for FMRI


abbreviation for
  1. functional magnetic resonance imaging: a technique that directly measures the blood flow in the brain, thereby providing information on brain activity

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for FMRI


Abbreviation for functional magnetic resonance imaging. In FMRI, a patient is placed in a high magnetic field and delicate measurements of magnetic fields associated with processes like blood flow are made. In this way, the functioning of organs like the brain can be monitored as they occur. (Compare MRI.)

Notes for FMRI

FMRI images are used to determined which parts of the brain “light up” when a function such as speech or recognition is performed.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.