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Related Experiment Video

Updated: Jun 21, 2026

Assessment of Social Transmission of Food Preferences Behaviors
04:56

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Published on: January 25, 2018

How liked and disliked foods affect time perception.

Sandrine Gil1, Sylvie Rousset, Sylvie Droit-Volet

  • 1Universite Blaise Pascal, Clermom-Ferrand, Frances.

Emotion (Washington, D.C.)
|August 6, 2009
PubMed
Summary

Viewing food pictures, especially disliked ones, alters time perception. This study found that food images cause time underestimation, with disliked foods having a stronger effect due to attentional bias.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Sensory Perception

Background:

  • Time perception is a complex cognitive function.
  • Emotional stimuli can influence cognitive processes, including attention and perception.
  • Previous research suggests attentional mechanisms play a role in time estimation.

Purpose of the Study:

  • To investigate how viewing liked or disliked food images affects time perception compared to neutral images.
  • To explore the role of attentional bias in modulating time estimation when processing emotionally charged visual stimuli.

Main Methods:

  • Healthy adults participated in a temporal bisection task.
  • Participants categorized picture presentation durations (neutral, liked, disliked foods) relative to standard short (400 ms) and long (1,600 ms) durations.
  • Time perception was assessed by analyzing participants' duration categorizations.

Main Results:

  • Food pictures led to an underestimation of their presentation duration compared to neutral pictures.
  • This time underestimation was significantly greater for disliked food images than for liked food images.
  • The findings suggest that emotional food stimuli capture attention, interfering with temporal processing.

Conclusions:

  • Emotional valence of visual stimuli, particularly negative food images, significantly impacts time perception.
  • Attentional bias, where attention is diverted from time processing by salient stimuli, is a likely mechanism underlying these effects.
  • Understanding how emotional stimuli affect time perception has implications for fields like marketing and clinical psychology.