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Claudio Villardita, MD; Pietro Smirni, PhD; Giuseppe Zappalà, MD

Arch Neurol. 1983;40(12):737-739.

Abstract
• Recent studies have documented the presence of neglect in patients with subcortical lesions. In this study, we gave 31 patients with Parkinson's disease (14 bilateral, seven right sided and ten left sided) a visual cancellation test. Visual neglect was found only in the bilateral and left-sided parkinsonian patients. These data support the hypothesis that subcortical structures are involved in attentional mechanisms and indicate the dominance of the right hemisphere for these mechanisms.

Author Affiliations
From the Neuropsychology Unit, Department of Neurology, University of Catania, Italy. Read in part at the fifth European Conference of the International Neuropsychological Society, Deauville, France, June 17, 1982.

Footnotes
Accepted for publication Jan 27, 1983.

Reprint requests to Department of Neurology, University of Catania, Viale A. Doria 6, 95126 Catania, Italy (Dr Villardita).

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