Fractionation of visuoperceptual dysfunction in Parkinson's disease.

  title={Fractionation of visuoperceptual dysfunction in Parkinson's disease.},
  author={R. D. Jones and I. MacG. Donaldson},
  journal={Journal of the neurological sciences},
  volume={131 1},
There is considerable evidence that visuoperceptual function is impaired in Parkinson's disease although this view remains contentious. The issue is confounded by studies which have demonstrated impairment of visual sensation, in particular high-contrast visual acuity, in Parkinson's disease. We have measured the visuoperceptual performance of 16 patients with mild to moderate Parkinson's disease, both on and off drugs, and 16 age and sex matched control subjects on non-motor tests of visual… CONTINUE READING


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