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Updated: Jun 20, 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

Comparing 3 T and 1.5 T MRI for tracking Alzheimer's disease progression with tensor-based morphometry

April J Ho1, Xue Hua, Suh Lee

  • 1Laboratory of Neuro Imaging, Department of Neurology, UCLA School of Medicine, Los Angeles, California 90095-1769., USA.

Human Brain Mapping
|September 26, 2009
PubMed
Summary

Magnetic field strength in MRI scans does not significantly impact the ability to detect neurodegenerative changes like Alzheimer's disease (AD) progression. Both 1.5 T and 3 T MRI scanners showed similar power for detecting brain atrophy and cognitive decline over one year.

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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...