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Functional neuroimaging and chorea: a systematic review.

Debra J Ehrlich1, Ruth H Walker1,2

  • 1Department of Neurology, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, 1st Floor, Box 1637, New York, NY 10029 USA.

Journal of Clinical Movement Disorders
|June 27, 2017
PubMed
Summary

Chorea, a movement disorder, involves involuntary movements. Functional imaging reveals network changes in the basal ganglia, aiding diagnosis and treatment for various chorea causes.

Keywords:
AcanthocytosisChoreaFunctional MRIFunctional imagingHuntingtonPositron emission tomographySingle-photon emission tomographySydenham

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Area of Science:

  • Neuroscience
  • Movement Disorders
  • Medical Imaging

Background:

  • Chorea is a hyperkinetic movement disorder characterized by involuntary, irregular, flowing movements.
  • Huntington's disease is a common cause, but other neurodegenerative, metabolic, and autoimmune conditions can also lead to chorea.
  • Pathophysiology varies significantly across different chorea-inducing conditions.

Purpose of the Study:

  • To review functional imaging data in chorea syndromes.
  • To identify trends in brain activity and neuronal dysfunction.
  • To enhance understanding of basal ganglia network changes in chorea.

Main Methods:

  • Review of functional imaging studies in patients with chorea syndromes.
  • Analysis of brain activity and neuronal dysfunction patterns.
  • Identification of trends in network changes within the basal ganglia.

Main Results:

  • Functional imaging reveals specific trends in brain activity and neuronal dysfunction in chorea.
  • Observed changes in the basal ganglia network are associated with various chorea syndromes.
  • Distinguishing primary, secondary, or compensatory changes remains a challenge.

Conclusions:

  • Functional imaging trends offer insights into the underlying network alterations in chorea.
  • These insights can potentially improve diagnostic testing for chorea.
  • Understanding network changes may guide treatment strategies for diverse chorea conditions.