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Related Experiment Video

Updated: May 28, 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

Individual differences in impulsivity predict anticipatory eye movements.

Laetitia Cirilli1, Philippe de Timary, Phillipe Lefèvre

  • 1Institute of Neurosciences, Université Catholique de Louvain, Brussels, Belgium. laetitia.cirilli@uclouvain.be

Plos One
|November 3, 2011
PubMed
Summary
This summary is machine-generated.

Eye movement patterns correlate with impulsivity dimensions measured by the UPPS questionnaire in healthy individuals. This research offers a novel physiological approach to understanding impulsivity beyond self-report biases.

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Last Updated: May 28, 2026

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Published on: January 19, 2024

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Published on: March 17, 2019

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08:25

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Ophthalmology

Background:

  • Impulsivity is a key trait in psychiatric disorders, often assessed via questionnaires prone to bias.
  • Objective physiological measures are needed to complement subjective self-reports for impulsivity assessment.

Purpose of the Study:

  • To investigate correlations between self-reported impulsivity and oculomotor characteristics.
  • To explore the potential of eye movements as an objective measure of impulsivity.

Main Methods:

  • Healthy subjects completed the UPPS (Urgency, Premeditation, Perseverance, Sensation seeking) impulsivity questionnaire.
  • Participants performed a smooth pursuit eye movement task with a predictable target.
  • Anticipatory saccades and smooth eye movement parameters (latency, velocity) were analyzed.

Main Results:

  • Significant correlations were found between specific UPPS impulsivity dimensions and eye movement characteristics.
  • Latency and velocity of eye movements showed significant associations with impulsivity scores.
  • These findings support the validity of the UPPS construct and suggest neurobiological underpinnings.

Conclusions:

  • Oculomotor measures offer a promising, objective method for assessing impulsivity.
  • This approach may help bridge the gap between psychiatric and physiological understandings of impulsivity.
  • Eye movement analysis could provide a valuable tool in clinical settings for evaluating impulsivity.