Binocular detection by normal and stereoblind observers |
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Authors: | David H. Westendorf Andy Langston Debbi Chambers Christine Allegretti |
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Affiliation: | 1. University of Arkansas, 72701, Fayetteville, Arkansas
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Abstract: | Binocular forced-choice detection performance was measured in three stereoblind observers and four observers with normal stereopsis. Detection rates of normal observers were greater than expected from probability summation, while those of the stereoblind observers were near or at a level expected from probability. It is concluded that binocular summation is reduced or absent in stereoblind persons. |
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