The Weber-Fechner law is the name given to two related laws in psychophysics, Weber's law and Fechner's law, which both describe the relationship between an actual change in a physical stimulus and how large that change is perceived to be. The relationship has been studied across every sense, including vision, hearing, taste, touch and smell.
Facts
Core ClaimThe perceived magnitude of a sensation increases as the logarithm of the physical stimulus intensity, not in direct proportion to it. 1 First Described Year Classification
Type of Phenomenon Connections
Sources
1. Wikipedia: Weber-Fechner Law
Wikimedia Foundationlead section
The Weber-Fechner laws are two related scientific laws in the field of psychophysics, known as Weber's law and Fechner's law.
History and formulation of the laws section
They were first published in 1860 in the work Elemente der Psychophysik (Elements of Psychophysics).
lead section, phenomenon-kind classification
The Weber-Fechner laws are two related scientific laws in the field of psychophysics, known as Weber's law and Fechner's law.
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