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Contrast thresholds for patterns of dynamic visual noise

✍ Scribed by A.N. Hirst; R.L. Beurle; K.I. Beverley; C.L. Poole


Book ID
118370395
Publisher
Elsevier Science
Year
1979
Tongue
English
Weight
504 KB
Volume
19
Category
Article
ISSN
0042-6989

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## Abstract We used the computerized Moorfield Vision System to demonstrate specific increases in various perceptual visual thresholds in idiopathic Parkinson's syndrome. Fifteen patients were compared to 13 age‐matched normals. Motion detection was impaired maximally (2p < 0.01 and better in two‐t