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MRI-guided Focused Ultrasound Thalamotomy for Patients with Medically-refractory Essential Tremor
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Essential Tremor - A Cerebellar Driven Disorder?

Mohamed Fasil Ibrahim1, Jessica C Beevis1, Ruth M Empson1

  • 1Department of Physiology, School of Biomedical Sciences, University of Otago, Dunedin 9016, New Zealand.

Neuroscience
|November 19, 2020
PubMed
Summary

Essential Tremor, a common movement disorder, may stem from abnormal nerve firing in the cerebellum. Targeting these cerebellar mechanisms could lead to better treatments for Essential Tremor patients.

Keywords:
Purkinje neurondeep cerebellar nucleiessential tremor

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Area of Science:

  • Neuroscience
  • Movement Disorders
  • Cerebellar Function

Background:

  • Essential Tremor is the most prevalent movement disorder.
  • It is a debilitating condition with limited effective treatments.
  • The cerebellum's role in Essential Tremor is not fully understood.

Purpose of the Study:

  • To review the cerebellum's involvement in Essential Tremor.
  • To explore mechanisms of abnormal neuronal activity in the deep cerebellar nuclei.
  • To identify potential therapeutic targets for Essential Tremor.

Main Methods:

  • Literature review focusing on cerebellar function and Essential Tremor.
  • Analysis of proposed mechanisms for abnormal burst firing in deep cerebellar nuclei neurons.
  • Synthesis of current understanding regarding tremorgenesis.

Main Results:

  • Abnormal burst firing of deep cerebellar nuclei neurons is implicated in Essential Tremor.
  • The cerebellum plays a critical role in the generation of tremors.
  • Several potential mechanisms driving this abnormal firing have been identified.

Conclusions:

  • The cerebellum is a key player in the pathophysiology of Essential Tremor.
  • Understanding cerebellar dysfunction offers new avenues for Essential Tremor treatment.
  • Targeting specific neuronal firing patterns in the cerebellum may yield improved therapies.