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Journal Article

Citation

Baylis GC, Driver J. J. Exp. Psychol. Hum. Percept. Perform. 1993; 19(3): 451-470.

Affiliation

Department of Psychology, University of California, San Diego, La Jolla 92093.

Copyright

(Copyright © 1993, American Psychological Association)

DOI

unavailable

PMID

8331310

Abstract

In 5 experiments, it was found that judging the relative location of 2 contours was more difficult when they belonged to 2 objects rather than 1. This was observed even when the 1- and 2-object displays were physically identical, with perceptual set determining how many objects they were seen to contain. Such a 2-object cost is consistent with object-based views of attention and with a hierarchical scheme for position coding, whereby object parts are located relative to the position of their parent object. In further experiments, it was shown that in accord with this hierarchical scheme, the relative location of objects could disrupt judgments of the relative location of object parts, but the reverse did not occur. This was found even when the relative position of the parts could be judged more quickly than that of the objects.


Language: en

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