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weber-fechner law

/ˈveɪbər ˈfɛxnər lɔː/

Traduction: Principe scientifique en psychophysique selon lequel la sensation perçue d'un stimulus est proportionnelle au logarithme de son intensité physique, impliquant que la plus petite différence perceptible est proportionnelle à l'intensité initiale du stimulus.

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phrase

/ˈveɪbər ˈfɛxnər lɔː/C1formalscientific
  • frPrincipe scientifique en psychophysique selon lequel la sensation perçue d'un stimulus est proportionnelle au logarithme de son intensité physique, impliquant que la plus petite différence perceptible est proportionnelle à l'intensité initiale du stimulus.

A scientific principle in psychophysics stating that the perceived change in a stimulus is proportional to the initial intensity of the stimulus, often expressed as a logarithmic relationship between physical stimulus and perceived sensation.

  1. Psychophysical lawC2formal

    A principle in psychophysics stating that the perceived change in a stimulus is proportional to the logarithm of the actual change in intensity.

    frloi de Weber-Fechner

    • The Weber-Fechner law explains why a small increase in light intensity is more noticeable in a dim room than in a bright one.
    • According to the Weber-Fechner law, the relationship between physical stimulus and perceived sensation is logarithmic.
    • Researchers use the Weber-Fechner law to study human perception of sound and light.