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Related Experiment Video

Updated: Mar 8, 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

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Brain Involvement in Myotonic Dystrophy Type 1: A Morphometric and Diffusion Tensor Imaging Study with

T Cabada1, M Iridoy2, I Jericó2

  • 1Radiology Department, Complejo Hospitalario De Navarra,Spain.

Archives of Clinical Neuropsychology : the Official Journal of the National Academy of Neuropsychologists
|February 7, 2017
PubMed
Summary

Myotonic dystrophy type 1 (DM1) causes widespread brain abnormalities in both white and gray matter. These changes are linked to progressive cognitive decline and specific symptoms like daytime sleepiness in patients.

Keywords:
Diffusion tensor imagingMagnetic resonance imagingMyotonic dystrophyWhite matter

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Area of Science:

  • Neurology
  • Neuroimaging
  • Genetics

Background:

  • Myotonic dystrophy type 1 (DM1) is a prevalent inherited neuromuscular disease.
  • Cerebral involvement in DM1 is known but not fully characterized.

Purpose of the Study:

  • To evaluate white matter and gray matter abnormalities in DM1 patients.
  • To investigate the relationship between these abnormalities and neurocognitive dysfunction.

Main Methods:

  • Included 42 DM1 patients and 42 controls.
  • Utilized magnetic resonance imaging (MRI) with structural and diffusion tensor imaging (DTI).
  • Assessed white matter lesions (WMLs), volumetric changes, and diffusivity, correlating with clinical and cognitive data.

Main Results:

  • DM1 patients showed significantly more WMLs, cortical volume loss, and corpus callosum atrophy.
  • Diffuse white matter DTI abnormalities and subcortical volume loss were observed.
  • Visuospatial impairment correlated with white matter abnormalities and cortical atrophy; daytime sleepiness linked to WMLs and specific subcortical volume loss.

Conclusions:

  • DM1 leads to widespread white and gray matter involvement, affecting cortical and subcortical structures.
  • Structural brain abnormalities contribute to progressive neuropsychological impairment in DM1.