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May 1984

Visuospatial Impairment in Parkinson's Disease: Role of Perceptual and Motor Factors

Author Affiliations

From the Departments of Neurology (Dr Boller) and Psychiatry (Drs Boller and Kim and Mss Keefe and Morrow), University of Pittsburgh School of Medicine, and the Pittsburgh Veterans Administration Medical Center (Drs Boller, Passafiume, and Kim, Mr Rogers, and Ms Morrow). Dr Passafiume is now with the University of Rome.

Arch Neurol. 1984;41(5):485-490. doi:10.1001/archneur.1984.04050170031011

• We investigated the role of perceptual and motor factors in visuospatial impairment in 30 patients with Parkinson's disease (PD) and 30 matched controls. All subjects were administered visuospatial tests, which included "visuoperceptual" tasks, requiring minimal motor responses, and "visuomotor" tasks. The performance of patients with PD was considerably impaired on several tasks from both groups, and this impairment was not related to depression or intellectual impairment. Patients in stage 3 of the disease tended to show the greatest impairment. Those in stage 1 (unilateral symptoms), however, tended to show more impairment than those in stage 2.

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