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Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
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Related Experiment Video

Updated: Apr 3, 2026

Author Spotlight: Establishing a New Fluorescence-Based Protocol for In Vivo Mitochondrial Morphology Analysis in Parkinson's Disease
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Structural connectivity in Parkinson's disease.

Alessandro Tessitore1, Alfonso Giordano2, Antonio Russo1

  • 1Department of Medical, Surgical, Neurological, Metabolic and Aging Sciences, Second University of Naples, Naples, 80138, Italy.

Parkinsonism & Related Disorders
|September 24, 2015
PubMed
Summary
This summary is machine-generated.

Advanced MRI techniques like diffusion tensor imaging reveal white matter changes in Parkinson's disease, aiding diagnosis and tracking progression from early to pre-manifest stages.

Keywords:
Diffusion tensor imagingMicrostructural changesNon-conventional MRI techniquesParkinson's disease

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Area of Science:

  • Neuroimaging
  • Neurology
  • Radiology

Background:

  • Idiopathic Parkinson's disease diagnosis has advanced with structural MRI.
  • Advanced MRI techniques investigate disease progression from nigral to extra-nigral degeneration.
  • Pre-manifest Parkinson's disease detection is now possible with these evolving techniques.

Purpose of the Study:

  • To summarize white matter alterations in Parkinson's disease using advanced MRI.
  • To highlight correlations between clinical/cognitive parameters and microstructural tissue loss.

Main Methods:

  • Diffusion-weighted imaging and diffusion tensor imaging (DTI) measure water molecule displacement.
  • Fractional anisotropy (FA) and mean diffusivity (MD) quantify white matter integrity.
  • Region of interest (ROI) analysis, tractography, voxel-based analysis, and tract-based spatial statistics (TBSS) analyze microstructural changes.

Main Results:

  • Diffusion tensor imaging (DTI) detects white matter integrity changes in Parkinson's disease.
  • Advanced MRI techniques offer insights into brain structural connectivity.
  • Microstructural changes can be analyzed locally or globally.

Conclusions:

  • Advanced MRI, particularly DTI, is crucial for understanding Parkinson's disease progression.
  • These techniques provide a window into brain structural connectivity and microstructural tissue loss.
  • Further research can correlate imaging findings with clinical and cognitive deficits.