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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

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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.
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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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Brainstem01:19

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The brainstem, located inferior to the brain and superior to the spinal cord, serves as a bridge between the cerebrum and the spinal cord. It plays a vital role in relaying information and controlling critical life functions. It comprises three primary regions: the midbrain, pons, and medulla oblongata.
The Midbrain
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Disorders of the Nervous Tissue01:28

Disorders of the Nervous Tissue

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Nervous tissue is a vital component of the human body's communication system, enabling us to perceive and respond to stimuli. However, like all other tissues, it is vulnerable to disorders and diseases that can significantly impact our neurological functioning.
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REM Sleep Behavior Disorder01:15

REM Sleep Behavior Disorder

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REM Sleep Behavior Disorder (RBD) is a sleep disorder characterized by the absence of muscle paralysis that normally occurs during the REM phase of sleep. This absence allows individuals to physically act out their dreams, which are often vivid and disturbing. Common behaviors exhibited during episodes include kicking, punching, and yelling. These actions can be dangerous, potentially leading to injuries for the person with RBD or their bed partner.
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Related Experiment Video

Updated: Oct 15, 2025

Human Neural Organoids for Studying Brain Cancer and Neurodegenerative Diseases
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Brain Tumor Presenting with Parkinsonism.

Christian Saleh1, Nino Akhalbedashvili1, Margret Hund-Georgiadis1

  • 1REHAB Basel, Clinic for Neurorehabilitation and Paraplegiology, Basel, Switzerland.

Case Reports in Neurology
|October 27, 2021
PubMed
Summary

Brain tumors rarely cause movement disorders. A meningioma mimicking Parkinson's disease symptoms highlights the importance of imaging in diagnosing tremors, ensuring timely treatment for serious underlying conditions.

Keywords:
Brain tumorDiagnostic workupNeuroimagingParkinsonism

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Area of Science:

  • Neurology
  • Neurosurgery
  • Oncology

Background:

  • Idiopathic Parkinson's disease (PD) diagnosis relies heavily on clinical presentation.
  • Delayed or missed diagnoses of serious conditions can occur without timely neuroimaging.
  • Movement disorders secondary to brain tumors are uncommon but critical to identify.

Observation:

  • A 59-year-old female presented with a progressive left-hand tremor.
  • Symptoms were attributed to a large right frontal meningioma.
  • The tumor exerted pressure on the right frontal lobe and nucleus lenticularis.

Findings:

  • The patient's tremor, initially suggestive of Parkinson's disease, was caused by a meningioma.
  • This case underscores the diagnostic challenge of differentiating tumor-induced symptoms from idiopathic neurological conditions.
  • Early neuroimaging is crucial for accurate diagnosis and treatment planning.

Implications:

  • Routine imaging in Parkinsonism-like presentations can prevent diagnostic delays.
  • Identifying brain tumors as a cause of movement disorders is vital for appropriate oncological and surgical management.
  • This case emphasizes the need for a comprehensive diagnostic approach in neurology.