Object-based attention in chimpanzees(Summary of Awarded Presentation at the 25th Annual Meeting)

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概要

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• We investigated object-based attention in chimpanzees with an attention shift task. The chimpanzees were rewarded by touching a target (a red disk) which appeared after a brief presentation of a cue (a yeHow square). We hypothesized that if object-based attention does work, the reaction time (RT) would be shorter when the target appeared in the cued rectangle than in the other rectangle. We could not observe any evidence of such a within-object benefit in Experiment 1, in which two rectangles were arranged in parallel. In Experiment 2, the rectangles were arranged horizontally in a line, to reduce variation in the distance from the start key to each target location. The RT pattern of the chimpanzees in Experiment 2 suggested an object-based attention in them.

• 2007-03-31

著者

• USHITANI Tomokazu

  Chiba University

• IMURA Tomoko

  Kwansei Gakuin University

• TOMONAGA Masaki

  Primate Research Institute, Kyoto University

• Imura Tomoko

  Kwansei Gakuin University:japan Society For The Promotion Of Science

• Tomonaga Masaki

  Primate Research Institute Kyoto University

関連論文

• Effects of target connectivity on multiple object tracking by chimpanzees (Pan troglodytes)(Summary of Awarded Presentation at the 26th Annual Meeting)
• Object-based attention in chimpanzees(Summary of Awarded Presentation at the 25th Annual Meeting)
• Measurement of contrast thresholds of chimpanzees using a Parameter Estimation by Sequential Testing (PEST) procedure(Summary of Awarded Presentations at the 24th Annual Meeting)
• Asymmetry of the perception of approaching or receding objects defined by moving cast shadows(Summary of Awarded Presentation at the 25th Annual Meeting)
• Perception of motion trajectories of objects from moving cast shadows in human (Homo sapiens) infants, Japanese macaque (Macaca fuscata) infants, and an adult chimpanzee (Pan troglodytes)(Summary of Awarded Presentations at the 24th Annual Meeting)
• Global and local visual processing by chimpanzees (Pan troglodytes)(Summary of Awarded Presentation at the 25th Annual Meeting)

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