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Role of Perceptual and Motor Factors

François Boller, MD, PhD; Domenico Passafiume, PhD; Nanci C. Keefe, MA; Karl Rogers; Lisa Morrow, MA; Youngjai Kim, PhD

Arch Neurol. 1984;41(5):485-490.

Abstract
• 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.

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.

Footnotes
Accepted for publication June 16, 1983.

Read before the 34th annual meeting of the American Academy of Neurology, Washington, DC, April 29, 1982.

Reprint requests to Department of Neurology, University of Pittsburgh, 322 Scaife Hall, Pittsburgh, PA 15261 (Dr Boller).

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