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Electrophysiology of athetosis and dystonia Tadaaki MANO 1 , Satoshi IWASE 1 1Department of Autonomic and Behavioral Neurosciences, Division of Higher Nervous Control, Research Institute of Environmental Medicine, Nagoya University pp.391-401
Published Date 1995/6/10
DOI https://doi.org/10.11477/mf.1431900644
  • Abstract
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1 Electrophysiological characteristics of athetosis

1) Athetosis is characterized by incessant slow involuntary movements predominantly in distal parts of the body in association with spontaneous non-reciprocal electromyographic (EMG) grouping dis-charges of the duration around 1-3 sec synchronously in agonist and antagonist muscles. 2) The stretch reflex in athetotic muscles in resting state varied from hypoactive to hyperactive. Only when associated with rigidity or spasticity, the tonic or phasic stretch reflex was enhanced, respectively.


Copyright © 1995, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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