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weber-fechner law

/ˈveɪbər ˈfɛxnər lɔː/

1 entry

phrase

/ˈveɪbər ˈfɛxnər lɔː/C1formalscientific
  • ruНаучный принцип в психофизике, утверждающий, что воспринимаемое изменение стимула пропорционально начальной интенсивности стимула, часто выражаемый как логарифмическая зависимость между физическим стимулом и ощущением.

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.

    ruПсихофизический закон

    • 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.