Publication year
2003Source
Perception and Psychophysics, 65, 7, (2003), pp. 1094-1102ISSN
Publication type
Article / Letter to editor

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Organization
SW OZ DCC CO
Former Organization
SW OZ NICI CO
Journal title
Perception and Psychophysics
Volume
vol. 65
Issue
iss. 7
Page start
p. 1094
Page end
p. 1102
Subject
Action, intention, and motor controlAbstract
In two matching tasks, participants had to match two images of object pairs. Image-based (113) connectedness refers to connectedness between the objects in an image. Object-based (OB) connectedness refers to connectedness between the interpreted objects. In Experiment 1, a monocular depth cue (shadow) was used to distinguish different relation types between object pairs. Three relation types were created: IB/OB-connected objects, IB/OB-disconnected objects, and IB-connected/OB-disconnected objects. It was found that IB/OB-connected objects were matched faster than IB/OB-disconnected objects. Objects that were IB-connected/OB-disconnected were matched equally to IB/OB-disconnected objects. In Experiment 2, stereoscopic presentation was used. With relation types comparable to those in Experiment 1, it was again found that OB connectedness determined speed of matching, rather than IB connectedness. We conclude that matching of projections of three-dimensional objects depends more on OB connectedness than on IB connectedness.
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- Faculty of Social Sciences [27107]
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