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A New Perceptual Context-Superiority Effect: Line Segments are More Visible against a Figure than against a Ground
Eva Wong and Naomi Weisstein
New Series, Vol. 218, No. 4572 (Nov. 5, 1982), pp. 587-589
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1688678
Page Count: 3
You can always find the topics here!Topics: Luminance, Line segments, Visual perception, Regional identity, Eye movements, Optics, Sensory discrimination, Ocular dominance, Eyes, Endocrinology
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Context, specifically the perceived figure or ground of an ambiguous form that surrounds a diagonal line segment, can influence the discrimination of that line segment even though the physical attributes of the context remain the same during figure-ground reversals. When the line segment was flashed on a region of the form seen as figure, discrimination was twice as accurate as when the line segment was flashed in isolation, and it was at least three times as accurate as when the line segment was flashed on that same region seen as ground.
Science © 1982 American Association for the Advancement of Science