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Related Experiment Video

Updated: Jun 2, 2026

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

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

Published on: January 19, 2024

How do changes in speed affect the perception of duration?

William J Matthews¹

¹Department of Psychology, University of Essex, Colchester CO4 3SQ, United Kingdom. will@essex.ac.uk

Journal of Experimental Psychology. Human Perception and Performance

|April 27, 2011

Summary

This summary is machine-generated.

Changes in stimulus speed affect how long events seem to last. Accelerating motion shortens perceived duration, while constant motion lengthens it, impacting time perception theories.

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Area of Science:

Cognitive Psychology
Psychophysics
Neuroscience

Background:

Subjective time perception is influenced by various factors, including stimulus characteristics.
Understanding how motion affects temporal judgments is crucial for refining models of time perception.

Purpose of the Study:

To investigate the influence of stimulus speed changes (constant, accelerating, decelerating) on subjective duration.
To examine whether temporal judgment and reproduction tasks yield similar results for moving stimuli.
To explore the impact of motion on the perceived duration of subsequent static stimuli.

Main Methods:

Six experiments were conducted using rotating or translating shapes.
Participants performed temporal judgment and temporal reproduction tasks under different motion conditions.
Stimulus distance and average speed were controlled across conditions.

Main Results:

In temporal judgment, constant speed stimuli appeared longest, followed by decelerating, then accelerating stimuli.
In temporal reproduction, the distinction between accelerating and decelerating stimuli diminished.
Observing accelerating motion extended the perceived duration of a subsequent static display.

Conclusions:

Temporal judgment and reproduction can dissociate for moving stimuli, with motion influencing subsequent duration perception.
Findings constrain theories of time perception, including memory-based, pacemaker-accumulator, and attention-division models.