A circle was attached to one of three lines which were changing in length and direction simultaneously. This configuration of moving lines had been found previously to induce the perception of depth. Of 26 observers 20 reported that the moving circle appeared smaller in size than a physically equal stationary circle which was located outside the changing, depth-inducing configuration.
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References
1.
BrignerW. L.DeniJ. R.HildrethL. L.Simultaneous changes in length and direction as a cue for perceived depth. Perceptual and Motor Skills, 1994, 78, 1385–1386.
2.
GregoryR. L.Distortion of visual space as inappropriate constancy scaling. Nature, 1963, 199, 678–680.
3.
GregoryR. L.Eye and brain. (3rd ed.) New York: McGraw-Hill, 1978.
4.
HershensonM.Moon illusion and spiral aftereffect: illusions due to the loom-zoom system?Journal of Experimental Psychology General, 1982, 111, 423–440.
5.
WallachH.AdamsP.Weisz, A Circles and derived figures in rotation. American Journal of Psychology, 1956, 69, 48–59.
