THE PERCEPTION OF A VISUAL SHAPE AND OF ITS FRAME-SURFACE DURING CONTINUOUS TRANSFORMATION |
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| Authors: | K von Fieandt |
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| Institution: | Institute of Psychology, University of Helsinki, Finland |
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| Abstract: | The procedure differed from that of traditional shape constancy experiments in that cues for the slant of the total frame-surface containing the main figure, a shadow rectangle, were given. The impression of slant was determined by gradients of continuous perspective transformations caused by movable elastic material casting its shadow on a translucent screen. The following hypothesis was confirmed: the tendency to see a shape in its original proportions (i.e., those it has when shown in a frontal-parallel orientation) increases with the increasingly strong impression of the slant of its plane surface. |
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