Abstract
Most visual images contain “gross shapes” which are highly correlated with less perceptable “details,” e.g., the gross outline of a head and details such as eyes, ears, etc. The role of such structural redundancy in perception is considered both from a “syntactical” and “spatial-frequency” view of structure. An experiment is reported and evaluated in terms of a simple mathematical model which allows one to isolate the influence of several factors in the perceptual process, particularly the observer’s actual sensitivity to specific details and the influence of the redundant (correlated) information in “higher order forms,” The basic idea is that one decides whether a particular (target) detail is present in a briefly presented image by integrating impressions from various parts of the image in a weighted manner, with the weights determined by redundant information in “higher order forms.” Furthermore, the results are generally consistent with the notion that an increase in the number of attended letters does not reduce the information extracted from each letter.
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Kinchla, R. A.Temporal uncertainty in multiple-observation detection tasks. Technical Report No. 2, Department of Psychology, McMaster University, Hamilton, Ontario, Canada, 1968.
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Kinchla, R.A. The role of structural redundancy in the perception of visual targets. Perception & Psychophysics 22, 19–30 (1977). https://doi.org/10.3758/BF03206076
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DOI: https://doi.org/10.3758/BF03206076