Parkinsons disease and the control of size and speed in handwriting

@article{Gemmert1999ParkinsonsDA,
  title={Parkinsons disease and the control of size and speed in handwriting},
  author={Arend W. A. Van Gemmert and Hans-Leo Teulings and Jos{\'e} Luis Contreras-Vidal and George E. Stelmach},
  journal={Neuropsychologia},
  year={1999},
  volume={37},
  pages={685-694}
}
This experiment investigated whether Parkinson's disease (PD) patients experience problems in producing stroke size, stroke duration or both, in a handwriting task. Thirteen PD patients and 15 elderly controls wrote four patterns of varying complexity on a digitizer tablet. The participants were instructed to execute the writing movements: at a normal size and speed; as fast as possible; two times larger than normal; and two times larger and as fast as possible. PD patients had no difficulty… CONTINUE READING
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