MRI vs fMRI: Difference and Comparison

This is an era of high technology and high-range medical facilities. Our medical field has achieved many solutions to incurable diseases.

One of these high-utility machines is an MRI machine. And due to up-gradation, a new machine called fMRI was developed. So here are a few differences between MRI and fMRI.

Key Takeaways

  1. MRI (Magnetic Resonance Imaging) and fMRI (Functional Magnetic Resonance Imaging) are medical imaging tests. Still, fMRI is used to observe brain activity, while MRI is used to diagnose structural abnormalities.
  2. MRI uses strong magnetic fields and radio waves to produce detailed images of the inside of the body, while fMRI measures changes in blood flow to brain areas in response to different stimuli.
  3. While MRI is used to diagnose various conditions such as tumors and internal injuries, fMRI is used mainly for research purposes to study brain function.

MRI vs fMRI

The brain’s anatomical structure can be determined through a machine called MRI. Problems related to the brain can be scanned through an MRI machine. The brain’s metabolic function can be determined through a machine called fMRI. fMRI is used only in experimental processes yet. fMRI machines are costly. Extra hardware and software are required for fMRI to work.

MRI vs fMRI
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MRI machine is used to detect any dysfunctionality or disorder in the brain. The CT scan sometimes fails to detect the problem, so MRI was introduced to overcome the problem.

fMRI is a highlight of the MRI technology. This is also used to find the dispute or disorder in the brain. The full form of fMRI is Functional Magnetic Resonance Investigation.

Comparison Table

Parameters of ComparisonMRIfMRI
Used for determiningAnatomical structureMetabolic function
Studies were doneTo calculate the water molecule’s hydrogen nuclei.To calculate the level of oxygen.
Ability to observeType of tissues with respect to spaceThe difference in tissues with respect to time to time changes
Introduced in marketAlready introduced and in applications.Not yet introduced
Cost effectiveLess costlyHigh cost

What is MRI?

MRI machine is used to detect any dispute or disorder in the brain. The CT scan sometimes fails to detect the problem, so MRI was introduced to overcome the problem.

If the CT scan cannot find the disorder, an MRI scan is referred to find it. The MRI has a high spatial resolution. It is able to find disputes more accurately than CT scans.

The MRI works on an anatomical basis. It is helpful in finding anatomical problems which are not visible to the naked eye. The MRI machine calculates the water molecule’s hydrogen nuclei to find the disorders.

mri

What is fMRI?

FMRI is a highlight of MRI technology. This is also used to find the dispute or disorder in the brain. The full form of FMRI is Functional Magnetic Resonance Investigation.

FMRI is the latest technological machine after MRI to scan the human brain and find the disorders correctly. But it is not yet introduced in the market due to its high price.

These are some factors on which the FMRI machine depends to get the correct information out. The FMRI machine is still in use for experimental purposes.

fmri

Main Differences Between MRI and fMRI

  1. MRI is already introduced in the market and is widely used, but fMRI is not yet introduced in the market and is only used for experiments.
  2. The MRI machine cost is less than compared to the fMRI machine. The fMRI machine needs some extra hardware and software to work.
Difference Between MRI and fMRI
References
  1. https://ieeexplore.ieee.org/abstract/document/4472246/
  2. https://psycnet.apa.org/record/1995-00647-001

Last Updated : 26 June, 2023

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