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Related Concept Videos

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...
Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of its...
Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

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 to...
Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of which...
Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...

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Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data
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Published on: June 26, 2013

[Innovative MRI techniques in Parkinson's disease].

S Baudrexel1, J C Klein, R Deichmann

  • 1Klinik für Neurologie, Zentrum der Neurologie und Neurochirurgie,Klinikum der Goethe-Universität Frankfurt am Main, Schleusenweg 2-16, 60528, Frankfurt am Main, Deutschland. Simon.Baudrexel@kgu.de

Der Nervenarzt
|August 28, 2010
PubMed
Summary
This summary is machine-generated.

Innovative magnetic resonance imaging (MRI) techniques offer new ways to study brain changes in Parkinson's disease (PD). These advanced MRI methods help understand PD

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Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
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Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

Area of Science:

  • Neuroimaging
  • Neurology
  • Biomedical Engineering

Context:

  • Parkinson's disease (PD) is a neurodegenerative disorder affecting brain morphology and function.
  • Traditional imaging methods have limitations in fully characterizing PD's complex pathophysiology.
  • There is a need for advanced tools to objectively assess PD progression and treatment efficacy.

Purpose:

  • To introduce and review innovative magnetic resonance imaging (MRI) techniques for Parkinson's disease research.
  • To highlight the application of advanced MRI methods in understanding neuronal tissue properties and brain activity in PD.
  • To explore the potential of these techniques for clinical diagnosis and therapeutic monitoring in PD.

Summary:

  • Advanced MRI techniques, including MR relaxometry, susceptibility-weighted imaging (SWI), diffusion-weighted imaging (DWI), diffusion tensor imaging (DTI), voxel-based morphometry (VBM), arterial spin labeling (ASL), and functional connectivity MRI (fcMRI), are being utilized in PD research.
  • These methods investigate neuronal tissue properties, cerebral perfusion, and neuronal activity, providing novel insights into PD.
  • The study discusses the utility of these techniques in understanding PD pathophysiology, tracking disease progression, and evaluating treatment effects.

Impact:

  • These innovative MRI techniques offer a deeper understanding of Parkinson's disease pathophysiology.
  • They hold promise for objective measurement of PD progression and the effectiveness of therapeutic interventions.
  • Advanced MRI may improve the differential diagnosis of parkinsonian disorders in clinical settings.