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Direct linkGilroy, Lee A.; Hock, Howard S. – Journal of Experimental Psychology: Human Perception and Performance, 2004
The perception of 2nd-order, texture-contrast-defined motion was studied for apparent-motion stimuli composed of a pair of spatially displaced, simultaneously visible checkerboards. It was found that background-relative, counter-changing contrast provided the informational basis for the perception of 2nd-order apparent motion; motion began where…
Descriptors: Motion, Visual Perception, Visual Stimuli, Psychological Studies
Di Lollo, Vincent; Muhlenen, Adrian von; Enns, James T.; Bridgeman, Bruce – Journal of Experimental Psychology: Human Perception and Performance, 2004
A brief target that is visible when displayed alone can be rendered invisible by a trailing stimulus (metacontrast masking). It has been difficult to determine the temporal dynamics of masking to date because increments in stimulus duration have been invariably confounded with apparent brightness (Bloch's law). In the research reported here,…
Descriptors: Visual Stimuli, Inhibition, Visual Environment, Visual Perception
