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Publication Detail
Ten-Year Reflections on the Neurophysiological Abnormalities of Focal Dystonias in Humans
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Conte A, Rocchi L, Latorre A, Belvisi D, Rothwell JC, Berardelli A
  • Publisher:
    Wiley-Blackwell
  • Publication date:
    08/10/2019
  • Journal:
    Movement Disorders
  • Status:
    Published online
  • Country:
    United States
  • Print ISSN:
    0885-3185
  • Language:
    eng
  • Keywords:
    dystonia, inhibition, pathophysiology, plasticity, sensory processing
Abstract
The physiological landscape of dystonia has changed considerably over the past 10 years. Initial ideas that dystonic motor symptoms could be explained by a combination of loss of inhibition and increased plasticity, together with subtle deficits in sensory processing, have been questioned, whereas the possible role of the cerebellum has risen in importance. In addition, it has been recognized that symptoms affect more than just the motor and sensory systems and encompass independent cognitive and psychological changes. Finally, it has become clear that, despite similarities in symptoms, there may be pathophysiological differences between idiopathic, inherited, and acquired forms of dystonia. In other words, progress in the pathophysiology of dystonia has followed the usual pattern from an initial phase in which core deficits are readily explained by highly simplified models to a realization that within a highly interconnected network, effects are more nuanced with widespread changes that might either compensate or contribute to the clinical symptoms to different degrees in different individuals. © 2019 International Parkinson and Movement Disorder Society.
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