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The Object Orientation Effect in Exocentric Distances.

Marlene Weller1, Kohske Takahashi2, Katsumi Watanabe3

  • 1Max Planck Institute for Biological Cybernetics, Tübingen, Germany.

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PubMed
Summary
This summary is machine-generated.

The object orientation effect makes objects facing each other appear closer than those facing away. This perception bias occurs even when observers are not directly involved, challenging interaction-based explanations.

Keywords:
action preparationdistance perceptionexocentric distanceobject orientationpredictive coding

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Area of Science:

  • Psychology
  • Cognitive Science
  • Perception

Background:

  • The object orientation effect (OOF) describes shorter perceived distances to the front than to the back of oriented objects.
  • Previous research primarily focused on egocentric distances (observer-to-object).

Purpose of the Study:

  • To investigate if the OOF extends to exocentric distances (between two objects).
  • To test interaction-based and predictive coding explanations for the OOF.

Main Methods:

  • Participants estimated distances between animated avatars based on their orientation (facing each other vs. away).
  • Experiments manipulated avatar interaction potential and 'walkability' to test predictive coding theories.

Main Results:

  • Avatars facing each other were judged as closer than avatars facing away, confirming the OOF in exocentric judgments.
  • Results ruled out observer-interaction preparation as the sole cause.
  • Avatar walkability did not affect distance judgments, suggesting predictive coding did not rely on scene layout.

Conclusions:

  • The object orientation effect applies to exocentric distances, indicating a broader perceptual bias.
  • The findings challenge simple interaction-preparation and scene-based predictive coding models.
  • An inherent asymmetry in perceived inter-person distances may explain the observed effect.