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Essential tremor and its variants

T C Britton1

  • 1Department of Neurology, Guy's Hospital, London, UK.

Current Opinion in Neurology
|August 1, 1995
PubMed
Summary
This summary is machine-generated.

Essential tremor, a common movement disorder, often causes disability despite its

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Area of Science:

  • Neurology
  • Movement Disorders

Background:

  • Essential tremor is the most prevalent movement disorder, frequently causing significant disability.
  • Current diagnosis relies on clinical presentation, lacking specific biomarkers.
  • Distinguishing essential tremor from similar tremors in other neurological conditions remains a challenge.

Purpose of the Study:

  • To explore the pathophysiology of essential tremor.
  • To investigate potential diagnostic markers and treatment options.

Main Methods:

  • Clinical diagnosis based on postural tremor characteristics.
  • Positron emission tomography (PET) scans to assess brain activity.
  • Review of molecular genetic studies and drug treatment trials.

Main Results:

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  • PET scans show increased cerebellar activity in essential tremor patients.
  • Abnormal cerebellar function may contribute to tremor generation and motor control deficits.
  • Genetic studies have yielded negative results thus far.

Conclusions:

  • The cerebellum plays a crucial role in essential tremor pathophysiology.
  • Further research is needed to understand the condition and develop effective treatments.
  • Diagnostic and therapeutic advancements for essential tremor are still limited.