Fmri
fMRI (Functional Magnetic Resonance Imaging)
fMRI or Functional Magnetic Resonance Imaging is a neuroimaging procedure using MRI technology that measures brain activity by detecting changes associated with blood flow. This technique relies on the fact that cerebral blood flow and neuronal activation are coupled. When an area of the brain is in use, blood flow to that region also increases.
Pronunciation
fMRI: /ef-em-ar-eye/
Etymology
The term "fMRI" is an acronym derived from "Functional Magnetic Resonance Imaging". The term "functional" is used to denote that this imaging technique is used to understand the functional areas of the brain, while "Magnetic Resonance Imaging" refers to the use of magnetic fields and radio waves to create detailed images of the body.
Related Terms
- MRI: Magnetic Resonance Imaging, a technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within your body.
- Neuroimaging: The use of various techniques to either directly or indirectly image the structure, function, or pharmacology of the nervous system.
- Cerebral Blood Flow: The blood supply to the brain in a given period of time.
- Neuronal Activation: The process by which the brain cells are turned on to perform their functions.
See Also
External links
- Medical encyclopedia article on Fmri
- Wikipedia's article - Fmri
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