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Updated: May 10, 2026

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes
09:27

Eye Movements in Visual Duration Perception: Disentangling Stimulus from Time in Predecisional Processes

Published on: January 19, 2024

Time in perspective.

Andrei Gorea1, Janice Hau

  • 1Laboratoire Psychologie de la Perception, Université Paris Descartes, France. andrei.gorea@parisdescartes.fr

Psychological Science
|June 19, 2013
PubMed
Summary
This summary is machine-generated.

Perceived time duration expands with object distance, with smaller object size contributing significantly. This suggests a time constancy effect in our perception of the three-dimensional world.

Keywords:
Kappa effectPonzo illusioncognitionlinear perspectiveperceived durationspeed/time constancytime estimationtime perceptionvisual perception

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Area of Science:

  • Cognitive psychology
  • Visual perception
  • Spacetime perception

Background:

  • Perception of time and space is context-dependent.
  • Perceived spatial extent correlates with perceived distance.
  • Perceived duration of moving objects correlates with angular trajectory.

Purpose of the Study:

  • To investigate the relationship between perceived distance and perceived duration of moving objects.
  • To determine if perceived duration increases with distance for identical angular trajectories.
  • To explore the role of object size in time perception within a 3D context.

Main Methods:

  • Utilized three-dimensionally rendered balls in a linear-perspective scene.
  • Varying rolling durations (600 ms, 900 ms, 1200 ms) and angular trajectories (5.5°, 11°, 22°).
  • Manipulated the perceived distance of the fronto-parallel plane containing the rolling ball.

Main Results:

  • Perceived duration dilated by up to 50% as the rolling ball's plane receded.
  • Smaller perceived size of distant objects was a primary contributor to time dilation.
  • Observed effects consistent with time constancy despite opposing factors (size vs. trajectory).

Conclusions:

  • Perceived duration of moving objects is influenced by perceived distance.
  • Object size significantly impacts perceived duration, especially for distant objects.
  • The visual system may exhibit time constancy in three-dimensional environments.