Depth adjacency and the Ponzo illusion
نویسندگان
چکیده
منابع مشابه
Depth adjacency and the Ponzo illusion
The effect of depth displacement of test bars from the induction wedge of the Ponzo illusion was investigated in two experiments. Either two wedges of opposite orientation were presented simultaneously, one at a near and the other at a far distance, or only one wedge was presented at either the near or the far distance. The test bars were stereoscopically either in the plane of the wedge or dis...
متن کاملThe Ponzo illusion and the perception of orientation.
A new theory, called the tilt constancy theory, claims that the Ponzo illusion is caused by the misperception of orientation induced by local visual cues. The theory relates the Ponzo illusion-along with the Zöllner, Poggendorff, Wündt-Hering, and cafe wall illusions-to the mechanisms that enable us to perceive stable orientations despite changes in retinal orientation or body orientation. In E...
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Illusions have long been considered to provide insights into normal visual processing. Thus Richard Gregory asked, “Can it be that illusions arise from informationprocessing mechanisms that under normal circumstances make the visible world easier to comprehend?” (Gregory, 1968, p. 66). A critical issue has been which normal information-processing mechanisms are reflected by specific illusions. ...
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A 1969 study by Parrish, Lundy, and Leibowitz which investigated the effect of hypnotic age regression on the magnitude of the Ponzo and Poggendorff illusions was partially replicated. In the present study, the Ponzo illusion was presented to eight college students under three conditions (waking, regressed to age 9, and regressed to age 5). Results indicated no significant difference in the mag...
متن کاملThe Ponzo illusion with auditory substitution of vision in sighted and early-blind subjects.
We tested the effects of using a prosthesis for substitution of vision with audition (PSVA) on sensitivity to the Ponzo illusion. The effects of visual experience on the susceptibility to this illusion were also assessed. In one experiment, both early-blind and blindfolded sighted volunteers used the PSVA to explore several variants of the Ponzo illusion as well as control stimuli. No effects o...
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ژورنال
عنوان ژورنال: Perception & Psychophysics
سال: 1975
ISSN: 0031-5117,1532-5962
DOI: 10.3758/bf03203876