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Luminance and contrast in visual perception of time to collision

✍ Scribed by Landwehr, Klaus; Brendel, Esther; Hecht, Heiko

Book ID
122074887
Publisher
Elsevier Science
Year
2013
Tongue
English
Weight
661 KB
Volume
89
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