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Related Experiment Video

Updated: Dec 12, 2025

Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere
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Effect of illumination on perceived temperature.

Yoshiaki Tsushima1, Sho Okada2, Yuka Kawai2

  • 1Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology (NICT), Kyoto, Japan.

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|August 11, 2020
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Summary

The hue-heat effect, linking color and temperature perception, was studied. Researchers found light and color can alter perceived warmth, with immediate and delayed effects, paving the way for practical applications.

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Area of Science:

  • Psychophysics
  • Sensory science
  • Human-computer interaction

Background:

  • The hue-heat effect describes the link between visual perception (color) and thermal sensation.
  • While hypothesized, practical applications of the hue-heat effect are limited.
  • Understanding this multisensory phenomenon is key for real-world use.

Purpose of the Study:

  • To investigate the relationship between perceived temperature and illumination.
  • To explore practical applications of the hue-heat effect.
  • To quantify the impact of light and color on thermal perception.

Main Methods:

  • Conducted a series of psychophysical experiments.
  • Utilized a well-controlled experimental environment.
  • Investigated the effects of illumination on perceived coolness/warmness.

Main Results:

  • Identified three distinct effects of illumination: creating, eliminating, and exchanging.
  • Demonstrated that the 'creating' effect is immediate.
  • Showed that the 'eliminating' effect has a time delay.

Conclusions:

  • Illumination significantly influences perceived temperature through various effects.
  • Distinct temporal profiles exist for different hue-heat effects.
  • Findings enhance understanding and enable practical applications of the hue-heat effect, potentially aiding energy conservation.