Experience-Dependent Perceptual Grouping and Object-Based Attention

Earlier studies have shown that attention can be directed to objects, defined on the basis of generic grouping principles, highly familiar shapes, or task instructions, rather than to contiguous regions of the visual field. The 4 experiments presented in this article extend these findings, showing t...

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Bibliographic Details
Published in:Journal of experimental psychology. Human perception and performance 2002-02, Vol.28 (1), p.202-217
Main Authors: Zemel, Richard S, Behrmann, Marlene, Mozer, Michael C, Bavelier, Daphne
Format: Article
Language:English
Subjects:
Attention
Biological and medical sciences
Cognition & reasoning
Eyes & eyesight
Fundamental and applied biological sciences. Psychology
Human
Object Recognition
Perception
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Sensory perception
Stimulus Novelty
Vision
Visual Discrimination
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Summary:Earlier studies have shown that attention can be directed to objects, defined on the basis of generic grouping principles, highly familiar shapes, or task instructions, rather than to contiguous regions of the visual field. The 4 experiments presented in this article extend these findings, showing that object attention benefits-shorter reaction times to features appearing on a single object-apply to recently viewed novel shapes. One experiment shows that object attention operates even when the visible fragments correspond to objects that violate standard completion heuristics. Other experiments show that experience-dependent object benefits can apply to fragments even without evidence of occlusion. These results attest to the flexible operation of the perceptual system, adapting as a function of experience.
ISSN:0096-1523
1939-1277
DOI:10.1037/0096-1523.28.1.202