Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Restless Leg Syndrome and Night Terrors01:27

Restless Leg Syndrome and Night Terrors

152
Restless Leg Syndrome (RLS), also known as Willis-Ekbom disease, is a neurological disorder characterized by an uncontrollable urge to move the legs due to uncomfortable sensations. These sensations typically occur during periods of rest or inactivity, particularly when lying down or sitting, and can severely disrupt sleep.
The exact cause of RLS is not fully understood, but it is believed to involve dopamine, a neurotransmitter that helps regulate muscle movement. Imbalances in dopamine levels...
152
Equilibrium and Balance01:15

Equilibrium and Balance

4.5K
The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
4.5K
Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

903
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
903
Muscle Stimulation Frequency01:22

Muscle Stimulation Frequency

2.0K
The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
2.0K
Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

492
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...
492
Electroconvulsive Therapy01:30

Electroconvulsive Therapy

28
Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
28

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Estimates of Incidence and Prevalence of Conversions to Mild Cognitive Impairment and Dementia in Patients With Essential Tremor.

Neurology·2026
Same author

Perceptual and Acoustical Features of Dysarthria in Essential Tremor: An Observational Study that Expands the Cerebellar Features of Essential Tremor.

Tremor and other hyperkinetic movements (New York, N.Y.)·2026
Same author

Continued Dialogue about the Clinical Heterogeneity and Degenerative Pathology That Characterizes the Essential Tremors.

Tremor and other hyperkinetic movements (New York, N.Y.)·2026
Same author

Essential Tremor and Ethanol.

Tremor and other hyperkinetic movements (New York, N.Y.)·2026
Same author

Intention Tremor Severity Trajectory: Results from a Prospective Longitudinal Study of Essential Tremor.

Tremor and other hyperkinetic movements (New York, N.Y.)·2026
Same author

Does the Severity of Arm Tremor in Essential Tremor Correlate with Impaired Balance?

Tremor and other hyperkinetic movements (New York, N.Y.)·2026

Related Experiment Video

Updated: Jun 11, 2025

MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor
05:54

MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor

Published on: December 13, 2017

13.9K

Six Myths and Misconceptions about Essential Tremor.

Elan D Louis1,2

  • 1Department of Neurology, University of Texas Southwestern Medical Center, Dallas, Texas, USA.

Tremor and Other Hyperkinetic Movements (New York, N.Y.)
|September 30, 2024
PubMed
Summary

Essential tremor (ET) is often misunderstood. This review clarifies common misconceptions about ET's natural history, biological basis, clinical presentation, and classification, emphasizing evidence-based understanding.

Keywords:
Essential tremorclassificationclinicalmisconceptionsmortalitymyths

More Related Videos

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception
07:42

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

Published on: March 3, 2018

9.4K
Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

14.9K

Related Experiment Videos

Last Updated: Jun 11, 2025

MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor
05:54

MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor

Published on: December 13, 2017

13.9K
A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception
07:42

A Simple Non-invasive Method for Temporary Knockdown of Upper Limb Proprioception

Published on: March 3, 2018

9.4K
Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

14.9K

Area of Science:

  • Neurology
  • Neuroscience
  • Medical Misconceptions

Background:

  • Neurological diseases, including essential tremor (ET), are subject to widespread myths and misperceptions.
  • These misconceptions often stem from a lag in the collective understanding of the scientific advancements in the field.
  • An evidence-based approach necessitates adherence to published data and the current state of scientific knowledge.

Purpose of the Study:

  • To review and debunk six common myths and misperceptions surrounding essential tremor (ET).
  • To provide a data-driven clarification of ET's natural history, prognosis, and biological underpinnings.
  • To correct misunderstandings regarding the clinical expression and classification of ET.

Main Methods:

  • Review of existing scientific literature and data pertaining to essential tremor (ET).
  • Analysis of six specific, commonly held myths concerning ET.
  • Comparison of prevalent beliefs with established scientific findings.

Main Results:

  • Myth 1 addressed: ET's impact on life expectancy.
  • Myths 2 & 3 addressed: The current understanding of ET's pathophysiology and evidence regarding cerebellar degeneration.
  • Myths 4 & 5 addressed: The nature of action tremor in ET, including its postural/kinetic characteristics and symmetry.
  • Myth 6 addressed: The classification of ET, including concepts like 'ET plus'.

Conclusions:

  • Addressing and correcting persistent myths in essential tremor (ET) is crucial for accurate clinical understanding and patient care.
  • Scientific data refutes several long-standing misconceptions about ET's prognosis, biology, and clinical features.
  • A commitment to evidence-based practice ensures that medical understanding, particularly in neurology, remains current and accurate.