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Glossary »
R

  • random-dot stereogram

    A pair of images containing only random patterns of dots or pixels with no recognizable monocular shapes or contours. When the two images are viewed with proper binocular fusion, the visual system processes the slight horizontal shift between the patterns to create a perception of depth and extract any hidden 3D forms due to binocular disparity..

  • retinal rivalry

    Also known as binocular rivalry, retinal rivalry is the alternating perception that occurs when the two eyes are simultaneously presented with dissimilar stimuli such as contrasting colors, orientations, or patterns. Instead of fusing the two images into one percept, perception fluctuates irregularly between the two rival images, with one eye’s view being consciously perceived while the other is suppressed from awareness.