Lightness Perception: Seeing One Color through Another
نویسندگان
چکیده
منابع مشابه
Lightness Perception: Seeing One Color through Another
A newly described and dramatic visual illusion suggests that the retinal image is decomposed by the brain into overlapping layers, not into contiguous frameworks of illumination.
متن کاملSeeing lightness in the dark.
From intense sunlight in bright snow down to a moonless night in a dark forest, we can use light to recognize objects and guide our actions. This remarkable range mainly rests on having two different types of photoreceptors, the rods and the cones. The cones are active under daylight conditions, allowing high acuity and color vision. Rods are mainly active under very dim illumination conditions...
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The amount of light coming to the eye from an object depends on the amount of light striking the surface, and on the proportion of light that is reflected. If a visual system only made a single measurement of luminance, acting as a pho-tometer, then there would be no way to distinguish a white surface in dim light from a black surface in bright light. Yet humans can usually do so, and this skil...
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There is a growing body of literature to show that color can convey information, owing to its emotionally meaningful associations. Most research so far has focused on negative hue-meaning associations (e.g., red) with the exception of the positive aspects associated with green. We therefore set out to investigate the positive associations of two colors (i.e., green and pink), using an emotional...
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Recent evidence suggests that the acquisition of new motor skills can directly influence later visual perception even when an observer's eyes remain 'wide shut' during learning.
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ژورنال
عنوان ژورنال: Current Biology
سال: 2005
ISSN: 0960-9822
DOI: 10.1016/j.cub.2005.04.028