Perceptually induced distortions in cognitive maps

  • Authors:
  • Alexander Klippel;Lothar Knuf;Bernhard Hommel;Christian Freksa

  • Affiliations:
  • Cooperative Research Centre for Spatial Information, Department of Geomatics, University of Melbourne, Australia;Max Planck Institute for Psychological Research, Munich, Germany;Max Planck Institute for Psychological Research, Munich, Germany;SFB/TR 8 Spatial Cognition & Cognitive Systems Group, University of Bremen, Germany

  • Venue:
  • SC'04 Proceedings of the 4th international conference on Spatial Cognition: reasoning, Action, Interaction
  • Year:
  • 2004

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Abstract

Cities on a map that are directly connected by a route are judged closer than unconnected cities. This route effect has been attributed to memory distortions induced by the integration of map information with high-level knowledge about implications of route connections. However, depicted routes also connect cities visually, thereby creating a single visual object—which implies a perceptual basis of the route effect. In this article we show that the effect does not depend on whether a map is presented as a map or as a meaningless pattern of symbols and lines (Experiment 1), and that the effect occurs even if spatial judgments are made vis-à-vis a permanently visible configuration (Experiment 2). These findings suggest that the distorted spatial representation is a by-product of perceptual organization, not of the integration of abstract knowledge in memory by given organization principles.