Wide-angle memories of close-up scenes: a demonstration of boundary extension.
Boundary extension refers to a tendency to remember seeing a greater expanse of a scene than was shown in a photograph. It is hypothesized that the view shown in the stimulus activates expectations about the scene's layout just outside the picture's borders. Following presentation, the viewer remembers having seen this expected information, and this yields boundary extension. We provide photographs and instructions for conducting two brief demonstrations of the phenomenon and provide materials for a related class experiment on the journal's World-Wide Web site. These demonstrations of boundary extension provide graphic illustrations of the role of schematic expectancies in the representation of scenes and help to illustrate the role of real-world knowledge in cognition.
Gottesman
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Department of Psychology, University of Delaware, Newark 19716, USA. cygottesman@ou.edu
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D004501:Education, Medical; D006801:Humans; D020407:Internet; D008568:Memory; D010781:Photography; D011584:Psychology / Q000193:education*; D013663:Teaching; D013664:Teaching Materials