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Is there a specific visuo-spatial impairment in Parkinsonians?
  1. S Della Sala,
  2. G Di Lorenzo,
  3. A Giordano,
  4. H Spinnler


    Twenty-five non-demented patients with mild, idiopathic, Parkinson's disease were compared with 25 age and education matched normal controls on a visuo-spatial performance task, whose characteristics were directional forecast, with minimal motor requirement and a maximal spatial load. No statistical support was found for the existence of spatial impairment in these patients.

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