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  Anticipating action in complex scenes

Thornton, I., & hayes, A. (2004). Anticipating action in complex scenes. Visual Cognition, 11(2-3), 341-370. doi:10.1080/13506280344000374.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D9C1-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-4F72-3
Genre: Journal Article

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Thornton, IM1, 2, Author              
hayes, A, Author
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1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: In four experiments we explored the accuracy of memory for human action using displays with continuous motion in the context of representational momentum. In Experiment 1 a desktop virtual environment was used to visually simulate ego-motion in depth, as would be experienced by a passenger in a car. Using a task very similar to that employed in typical studies of representational momentum we probed the accuracy of memory for an instantaneous point in space/time, finding a consistent bias for future locations. In Experiment 2, we used the same virtual environment to introduce a new "interruption" paradigm in which the sensitivity to displacements during a continuous event can be assessed. Thresholds for displacements that shifted ego-position forward in the current direction of motion were significantly higher than thresholds for displacements that shifted ego-position backwards. In Experiments 3 4 we extended previous work that has shown anticipation effects for frozen action photographs and isolated human figures by presenting observers with short video sequences of complex crowd scenes. In both experiments, memory for the stopping position of the video was shifted forward, consistent with representational momentum. Interestingly, when the video sequences were played in reverse, the magnitude of this forward bias was larger. Taken together, the results of all four experiments suggest that even when presented with complex, continuous motion, the visual system may sometimes try to anticipate the outcome of our own and others actions.

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 Dates: 2004-02
 Publication Status: Published in print
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 Identifiers: DOI: 10.1080/13506280344000374
BibTex Citekey: 2035
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Title: Visual Cognition
  Other : Vis. Cogn.
Source Genre: Journal
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Publ. Info: Hove, East Sussex, UK : Lawrence Erlbaum
Pages: - Volume / Issue: 11 (2-3) Sequence Number: - Start / End Page: 341 - 370 Identifier: ISSN: 1350-6285
CoNE: https://pure.mpg.de/cone/journals/resource/954925276535