Definition of Fechner's law

1. Noun. (psychophysics) the concept that the magnitude of a subjective sensation increases proportional to the logarithm of the stimulus intensity; based on early work by E. H. Weber.

Exact synonyms: Weber-fechner Law
Generic synonyms: Law, Law Of Nature
Category relationships: Psychophysics

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Lexicographical Neighbors of Fechner's Law

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Fechner-Weber law
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Literary usage of Fechner's law

Below you will find example usage of this term as found in modern and/or classical literature:

1. Analytical Psychology: A Practical Manual for Colleges and Normal Schools by Lightner Witmer (1902)
"This form of the psj-cho-physical law, which may be called Fechner-s law, involves the further assumption that the constant just noticeable difference ..."

2. A Text book of physiology by Michael Foster (1881)
"... into a formula spoken of as Fechner's formula 01 Fechner"s law, which is offered as a measure of the sensation in term of the stimulus in the general ..."

3. Technology Quarterly and Proceedings of the Society of Arts by Massachusetts Institute of Technology, Society of Arts (1907)
"... article in a previous number of the TECHNOLOGY QUARTERLY J will be interested in the article by Dr. PG Nutting on "The Complete Form of Fechner.s Law. ..."

4. Outlines of Psychology: With Special Reference to the Theory of Education by James Sully (1885)
"... and that consequently the discrimination of distance obeys approximately Fechner"s law. Further this discrimination is finest in the case of distances ..."

5. The Ohio Educational Monthly and the National Teacher: A Journal of Education by Ohio State Teachers Association (1898)
"Give substance of Weber's and Fechner"s Law. 5. A new-born babe may have a pure sensation; an adult, hardly. Explain. 6. How does presentative pain differ ..."

6. Photometrical Measurements and Manual for the General Practice of Photometry by Wilbur Morris Stine (1900)
"Fatigue of the eye, 17, 212, Fechner-s law of sensation, 15, 110, 111; in illumination, 19. Filament for incandescent lamps, ..."

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