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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Related Experiment Video

Updated: May 28, 2026

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases
09:33

Diffusion Tensor Magnetic Resonance Imaging in the Analysis of Neurodegenerative Diseases

Published on: July 28, 2013

Diffusion tensor imaging: exploring the motor networks and clinical applications.

Sungsoo Ahn1, Seung-Koo Lee

  • 1Department of Radiology, Yonsei University College of Medicine, Seoul 120-752, Korea.

Korean Journal of Radiology
|November 2, 2011
PubMed
Summary

Diffusion Tensor Imaging (DTI) reveals brain microstructures non-visible with conventional MRI. This technique aids in assessing neurological conditions by visualizing white matter architecture, but requires careful clinical application.

Keywords:
Diffusion tensor imagingDiffusion weighted imagingTractography

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Area of Science:

  • Neuroimaging
  • Biophysics

Background:

  • Conventional MRI has limitations in visualizing intricate brain microstructures.
  • Diffusion magnetic resonance imaging techniques offer advanced insights into tissue characteristics.

Purpose of the Study:

  • To highlight the application of Diffusion Tensor Imaging (DTI) in neurological conditions.
  • To explain how DTI visualizes white matter architecture and assesses microstructural changes.

Main Methods:

  • Utilizing advanced diffusion magnetic resonance imaging techniques.
  • Applying tractography for gross visualization of white matter fiber architecture in vivo.

Main Results:

  • DTI demonstrates brain microstructures not assessable with conventional MR imaging.
  • Changes in water molecule diffusion, indicative of pathological conditions, can be assessed with DTI.

Conclusions:

  • DTI is a valuable tool for assessing neurological conditions by visualizing white matter integrity.
  • Clinical application of DTI requires careful consideration of influencing factors for accurate interpretation.