Perceptual filling-in: a parametric study
نویسندگان
چکیده
منابع مشابه
Perceptual filling-in: a parametric study
We studied perceptual filling-in during maintained peripheral viewing of a uniform gray or red figure presented on a large textured background. Changes in the figure's size, shape, and eccentricity caused variations in the time required for filling-in that could be predicted from the size of its cortical projection within early visual areas. The data suggest that the time which elapsed before t...
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Perceptual filling-in occurs when structures of the visual system interpolate information across regions of visual space where that information is physically absent. It is a ubiquitous and heterogeneous phenomenon, which takes place in different forms almost every time we view the world around us, such as when objects are occluded by other objects or when they fall behind the blind spot. Yet, t...
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Artificial scotomas positioned within peripheral dynamic noise fade perceptually during visual fixation (that is, the surrounding dynamic noise appears to fill-in the scotoma). Because the scotomas' edges are continuously refreshed by the dynamic noise background, this filling-in effect cannot be explained by low-level adaptation mechanisms (such as those that may underlie classical Troxler fad...
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15 صفحه اولTarget/surround asymmetry in perceptual filling-in
Four experiments examined how differences in the properties of the target and surround affect the time required for perceptual filling-in. They examined differences in luminance, orientation, spatial frequency, and color. A larger target/surround difference delayed filling-in ('feature difference effect'). Interestingly, exchanging the target and surround properties significantly varied the tim...
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ژورنال
عنوان ژورنال: Vision Research
سال: 1998
ISSN: 0042-6989
DOI: 10.1016/s0042-6989(97)00432-x