Neuroimaging
Neuroimaging
Neuroimaging (pronounced: /ˌnʊəroʊˈɪmɪdʒɪŋ/) is a branch of medical imaging that focuses on the brain. Neuroimaging techniques allow noninvasive visualization of the structure and functionality of the brain. It is a relatively new discipline within medicine, neurology, and neuroscience.
Etymology
The term "neuroimaging" is derived from 'neuro' meaning nerves and 'imaging' meaning the use of physical or electromagnetic radiation to produce images of internal structures of the body.
Techniques
Neuroimaging includes various techniques such as:
- Computed Tomography (CT): This technique uses X-rays to create detailed images of the brain. It is often used in emergency situations due to its ability to quickly produce images.
- Magnetic Resonance Imaging (MRI): MRI uses a magnetic field and radio waves to create detailed images of the brain. It is particularly useful for diagnosing brain and spinal cord anomalies.
- Positron Emission Tomography (PET): PET scans use a small amount of radioactive material to help visualize brain function and detect diseases.
- Functional Magnetic Resonance Imaging (fMRI): This technique measures brain activity by detecting changes in blood flow. It is often used in research to understand how the brain works.
Related Terms
- Neurology: The branch of medicine dealing with disorders of the nervous system.
- Neuroscience: The scientific study of the nervous system.
- Radiology: The science dealing with X-rays and other high-energy radiation, especially the use of such radiation for the diagnosis and treatment of disease.
See Also
External links
- Medical encyclopedia article on Neuroimaging
- Wikipedia's article - Neuroimaging
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