For 30 undergraduates, brief exposures were shown to increase the apparent length of a line. This enhancement of length diminished as duration of exposure increased, creating an illusion of line length that resembles the Broca-Sulzer brightness anomaly.
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References
1.
BrignerW. L.KauffmanI. M.A correlate to Mach bands in the perception of extent. Perceptual and Motor Skills, 1974, 38, 919–932.
2.
ClemR. K.PollackR. H.Illusion magnitude as a function of visual field exposure. Perception & Psychophysics, 1975, 17, 450–454.
3.
CrovitzH. F.Perceived length and the Craik-O'Brien illusion. Vision Research, 1976, 16, 435.
4.
HurvichL. M.JamesonD.The perception of brightness and darkness. Boston: Allyn & Bacon, 1966.
PollackR. H.Simultaneous and successive presentation of elements of the Mueller-Lyer figure and chronological age. Perceptual and Motor Skills, 1964, 19, 303–310.
7.
RaabD. H.Magnitude estimation of the brightness of brief foveal stimuli. Science, 1962, 135, 42–44.
