| Stream/bounce perception and the effect of depth cues in chimpanzees (Pan troglodytes). | |
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MedLine Citation:
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PMID: 21479722 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The stream/bounce display represents an ambiguous motion event in which two identical visual objects move toward one another and the objects overlap completely before they pass each another. In our perception, they can be interpreted as either streaming past one another or bouncing off each other. Previous studies have shown that the streaming percept of the display is generic for humans, suggesting the inertial nature of the motion integration process. In this study, chimpanzees took part in behavioral experiments using an object-tracking task to reveal the characteristics of their stream/bounce perception. Chimpanzees did not show a tendency toward a dominant "stream" perception of the stream/bounce stimulus. However, depth cues, such as X-junctions and local motion coherence, did promote the stream percept in chimpanzees. These results suggest both similarities and differences between chimpanzees and humans with respect to motion integration and object individuation processes. |
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Authors:
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Toyomi Matsuno; Masaki Tomonaga |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-9 |
Journal Detail:
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Title: Attention, perception & psychophysics Volume: - ISSN: 1943-393X ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101495384 Medline TA: Atten Percept Psychophys Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Primate Research Institute, Kyoto University, Kyoto, Japan, toyomi.matsuno@bun.kyoto-u.ac.jp. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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