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Definition
depth cues that depend on the use of two eyes.
retinal disparity: comparing the differences in the images from the two eyeballs. the greater the disparity(difference) between the two images, the closer the object.
convergence: the extent to which the eyes converge inward when looking at an object. the greater the strain, the closer the object. |
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Term
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Definition
depth cues available to either eye alone.
relative size: smaller objects appear to be more distant
interposition: if one object partially blocks our view of another, we perceive it as closer.
relative clarity: because light from distant objects passes through more atmosphere, we perceive hazy objects as farther away than sharp, clear objects.
texture gradient: a gradual change from a coarse, distinct texture to a fine, indistinct texture signals increasing distance. distant objects appear to be smaller and more densely packed.
relative height: higher objects appear farther away. think buildings against a sky backdrop.
relative motion(motion parallax): when you are in motion, closer objects seem to move faster.
linear perspective: the more parallel lines converge, the more distant they appear to be.
light and shadow: dimmer objects appear to be more distant because nearby objects reflect more light to our eyes. |
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| the focusing of conscious awareness on a particular stimulus, as in the cocktail party effect. |
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| failing to see visible objects when our attention is directed elsewhere. |
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| an illusion of movement created when two or more adjacent lights blink on and off in quick succession |
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