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Integration of multiple views of scenes


, : Integration of multiple views of scenes. Attention, Perception & Psychophysics 71(3): 490-502

In two experiments, memory was tested for changes in viewpoints in naturalistic scenes. In the key study condition, participants viewed two images of the same scene from viewpoints 40 degrees apart. There were two other study conditions: The two study images were identical or were of different scenes. A test image followed immediately, and participants judged whether it was identical to either of the study images. The scene in the test image was always the same as in a study image and was at least 20 degrees from any study image on different trials. Two models were tested: (1) views stored and retrieved independently and (2) views combined at retrieval. The crucial test of these hypotheses involved a comparison (in the key study condition) of the interpolation condition (the test image was presented between the two study images and 20 degrees from both) and the extrapolation condition (it was 20 degrees from one study image and 60 degrees from the other). Performance in the interpolation condition was far worse than what was predicted by the first model, whereas the second model fit the data quite well. The latter model is parsimonious in that it integrates previous experiences without requiring the integration of the views in memory. We review some of this model's broader implications.

US$19.90

PMID: 19304640

DOI: 10.3758/APP.71.3.490


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