Motor learning processes in a movement-scaling task in olivopontocerebellar atrophy and Parkinson's disease

@article{SmileyOyen2003MotorLP,
  title={Motor learning processes in a movement-scaling task in olivopontocerebellar atrophy and Parkinson's disease},
  author={Ann L. Smiley-Oyen and Charles J Worringham and Carol L Cross},
  journal={Experimental Brain Research},
  year={2003},
  volume={152},
  pages={453-465}
}
Nine Parkinson's disease (PD), seven olivopontocerebellar atrophy (OPCA) patients and two age-matched control groups learned a linear arm movement-scaling task over 2 days, requiring movements proportional in length to visually presented target-bars. Scaling was acquired through knowledge of results (KR concerning the direction and magnitude of errors) following every second acquisition trial. Initial acquisition of both groups was significantly worse than their respective controls (poorer… CONTINUE READING
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