Non-orthogonal channels for relative numerosity and contrast detection
نویسندگان
چکیده
منابع مشابه
Binocular combination of contrast signals from orthogonal orientation channels
In a series of psychophysical experiments, observers compared the apparent contrast of a dichoptic stimulus (contrast edges of orthogonal orientations in the two eyes) and a monocular stimulus ( a pie pattern in one eye and a blank field in the other eye). When the contrast of the dichoptic stimulus was low (2-3%) the two orthogonal edges were perceived as a stable pie pattern and its apparent ...
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15 صفحه اولThe computation of relative numerosity, size and density
To investigate the mechanisms for the perception of relative numerosity, we used two-interval forced-choice (temporal 2AFC) to measure thresholds for area, density and numerosity differences between dot textures, and a 2×2 FC task to measure the ability of observers to distinguish changes in area from changes in density. To prevent the use of a one-dimensional size signal we used textures in wh...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2014
ISSN: 1534-7362
DOI: 10.1167/14.10.392