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DTIC ADA309202: Perception of an Illusory Form Under Conditions of ... |
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by Defense Technical Information Center |
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Ambiguous figures and visual illusions are difficult to |
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perceive when presented in terms of color contrast rather |
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than luminance contrast. This finding has prompted the |
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notion that the perception of these forms depends |
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primarily on processing along an achromatic, luminance |
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pathway. Others contend that the perception of such |
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figures depends on the visibility of the stimulus rather |
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than on the particular pathway traversed from eye to |
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brain. If visibility is a limiting factor on perception, |
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then it would be useful to determine how certain |
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perceptual ambiguities are resolved under various |
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conditions of limited visibility. In the present study, |
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visual perception of a complex, ambiguous form was |
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evaluated under several conditions of limited visibility |
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including equiluminant color contrast (S and LM) and a |
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range of luminance contrasts, also were evaluated. The |
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results confirm and extend previous findings in showing |
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that the perception of a complex, illusory form depends |
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more on the visibility of the stimulus than on the |
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particular pathway accessed. The expectations and prior |
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experience of the observer also were found to be crucial |
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determinants of complex object recognition. |
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Date Published: 2018-03-30 21:44:27 |
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Identifier: DTIC_ADA309202 |
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Item Size: 15316132 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Rabin, Jeff C.; ARMY AE... |
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dticarchive |
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@chris85 |
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