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Related Concept Videos

Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

28
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...
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Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

34
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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Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

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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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Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

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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...
1.4K
Neural Regulation01:37

Neural Regulation

34.8K
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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Alterations in Muscle Tone lll01:11

Alterations in Muscle Tone lll

37
Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
37

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Related Experiment Video

Updated: May 7, 2026

Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation
11:12

Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation

Published on: July 16, 2014

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Parkinson's disease.

David H Benninger1

  • 1Neurology Service, Department of Clinical Neurosciences, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland.

Handbook of Clinical Neurology
|October 12, 2013
PubMed
Summary
This summary is machine-generated.

Noninvasive brain stimulation, including repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS), shows potential for Parkinson's disease (PD) treatment. However, current clinical effects are minimal, necessitating further research into novel stimulation parameters to enhance efficacy.

Keywords:
Parkinson’s diseaseneurophysiologynoninvasive brain stimulationplasticityrepetitive transcranial magnetic stimulation (rTMS)therapeutic studytranscranial direct current stimulation (tDCS)

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Induction and Assessment of Levodopa-induced Dyskinesias in a Rat Model of Parkinson's Disease
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The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
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The Use of Primary Human Fibroblasts for Monitoring Mitochondrial Phenotypes in the Field of Parkinson's Disease
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Area of Science:

  • Neuroscience
  • Neurology
  • Biomedical Engineering

Background:

  • Advanced Parkinson's disease (PD) presents challenges with therapies that are refractory to conventional treatments.
  • Deep brain stimulation (DBS) success and improved understanding of PD pathophysiology fuel interest in noninvasive brain stimulation.
  • The concept is to reverse abnormal brain activity and physiology to restore normal function.

Purpose of the Study:

  • To explore noninvasive brain stimulation as an alternative therapeutic tool for Parkinson's disease.
  • To investigate novel stimulation parameters for enhancing the efficacy of noninvasive brain stimulation techniques.
  • To deepen the understanding of PD pathophysiology through noninvasive brain stimulation studies.

Main Methods:

  • Review of trials applying repetitive transcranial magnetic stimulation (rTMS) targeting the motor cortex in PD patients.
  • Examination of transcranial direct current stimulation (tDCS) applications in Parkinson's disease.
  • Exploration of novel stimulation parameters based on brain physiology and oscillatory activity.

Main Results:

  • Current studies suggest possible therapeutic potential for rTMS and tDCS in PD.
  • Clinical effects observed so far are small and negligible regarding functional independence and quality of life.
  • Novel stimulation parameters aim to simulate normal firing patterns or target oscillatory activity.

Conclusions:

  • Noninvasive brain stimulation may offer a future therapeutic avenue for Parkinson's disease.
  • Further research is needed to potentiate the efficacy of noninvasive brain stimulation techniques.
  • These studies could enhance understanding of PD pathophysiology and therapeutic applications.