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Related Experiment Video

Updated: May 29, 2026

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
06:46

Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity

Published on: March 18, 2019

Motion onset does not capture attention when subsequent motion is "smooth".

Meera Mary Sunny1, Adrian von Mühlenen

  • 1Department of Psychology, University of Warwick, Coventry CV4 7AL, UK. M.M.Sunny@warwick.ac.uk

Psychonomic Bulletin & Review
|September 9, 2011
PubMed
Summary
This summary is machine-generated.

The onset of motion captures attention only when the movement is jerky, not smooth. This finding suggests that jerky motion, not motion onset itself, is key for attracting attention.

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Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Neuroscience

Background:

  • Previous research indicates that motion itself does not inherently capture attention.
  • Some studies suggest that the onset of motion can capture attention.
  • The role of motion jerkiness in attentional capture remains unclear.

Purpose of the Study:

  • To investigate whether the motion-onset effect is dependent on the jerkiness of subsequent motion.
  • To determine if motion jerkiness influences the processing of continuous motion.

Main Methods:

  • Experiment 1: Visual search tasks using static, motion-onset, and abrupt-onset stimuli with varying refresh rates (8, 17, 33, 100 Hz) to manipulate motion jerkiness.
  • Experiment 2: Visual search tasks comparing continuous motion stimuli with varying jerkiness levels.

Main Results:

  • Motion onset captured attention only when the subsequent motion was jerky (8 and 17 Hz).
  • Motion onset did not capture attention when the subsequent motion was smooth (33 and 100 Hz).
  • Motion jerkiness did not affect the processing of continuous motion.

Conclusions:

  • The attentional effect of motion onset is critically dependent on motion jerkiness, not an inherent property of motion onset.
  • Findings support a general unique-event account of attention rather than a special role for motion onset.
  • Motion jerkiness is a crucial factor in visual attention capture by moving stimuli.