Abstract
The Cats‐and‐Dogs test: A tool to identify visuoperceptual deficits in Parkinson's disease
Highlights
There are no robust features to predict which patients with Parkinson’s disease (PD) will develop dementia
There was no difference in the control task between PD patients and controls
We present pilot data suggesting that identifying skewed images in the Cats-and-Dogs test is a sensitive measure of visuoperception in early-stage PD, with greater sensitivity than standard cognitive and visuospatial tests
Summary
Twenty patients with PD and 11 age-matched controls without eye disease or dementia were recruited. Clinical and detailed neuropsychological assessment was performed (Supplemental Table 1). The study was approved by the local Research Ethics Committee
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