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Related Concept Videos

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...
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Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

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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

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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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Neural Regulation01:37

Neural Regulation

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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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Related Experiment Video

Updated: May 4, 2026

Induction and Assessment of Levodopa-induced Dyskinesias in a Rat Model of Parkinson's Disease
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Induction and Assessment of Levodopa-induced Dyskinesias in a Rat Model of Parkinson's Disease

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Problem based review: a patient with Parkinson's disease.

A Arora1, P Fletcher

  • 1Frenchay Hospital, North Bristol Hospitals NHS Trust, Bristol BS16 1LE.

Acute Medicine
|December 24, 2013
PubMed
Summary

Parkinson's disease (PD) presents complex challenges beyond motor symptoms, including neuropsychiatric and autonomic issues. Managing these requires simplifying drug regimens and eliminating exacerbating factors for improved quality of life.

Area of Science:

  • Neurology
  • Neuroscience
  • Pharmacology

Background:

  • Parkinson's disease (PD) is a progressive neurodegenerative disorder.
  • PD is characterized by motor symptoms like bradykinesia, tremor, and rigidity.
  • Patients often experience non-motor and treatment-related complications.

Purpose of the Study:

  • To review the spectrum of non-motor and treatment-related problems in Parkinson's disease.
  • To discuss the challenges in managing these complex symptoms in advanced PD.
  • To highlight initial management strategies for these challenging symptoms.

Main Methods:

  • Literature review of non-motor and treatment-related symptoms in Parkinson's disease.
  • Analysis of clinical presentation and management challenges.

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Dynamic Digital Biomarkers of Motor and Cognitive Function in Parkinson's Disease

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Related Experiment Videos

Last Updated: May 4, 2026

Induction and Assessment of Levodopa-induced Dyskinesias in a Rat Model of Parkinson's Disease
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Controlling Parkinson's Disease With Adaptive Deep Brain Stimulation
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  • Discussion of therapeutic approaches, focusing on drug regimen simplification.

    • Main Results:

    • PD patients exhibit diverse neuropsychiatric issues (psychosis, dementia, depression) and autonomic dysfunction (bowel/bladder problems).
    • Acute psychosis and neuroleptic malignant-like pictures can occur in emergency settings.
    • Motor fluctuations and withdrawal symptoms are common with dopaminergic medications.

    Conclusions:

    • Disturbances of mental state are significant challenges in advanced Parkinson's disease.
    • Treatment-related phenomena often worsen with increased antiparkinsonian medication.
    • Simplifying drug regimens and removing exacerbating factors are crucial initial steps for symptom improvement.