High curvature and jerk analyses of arm ataxia

  title={High curvature and jerk analyses of arm ataxia},
  author={Dov Goldvasser and Chris A. McGibbon and David E. Krebs},
  journal={Biological Cybernetics},
We investigated high curvature analysis (HCA) and integrated absolute jerk (IAJ) for differentiating healthy and cerebellopathy (CB) patients performing pointing tasks. Seventeen CB patients and seventeen healthy controls were required to move a pointer at their preferred pace between two 50.8 cm laterally spaced targets while standing with their arm extended in front of their body. HCA was used to quantify the frequency of sharp turns in the horizontal-plane (anterior-posterior and medio… CONTINUE READING


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