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Fechner law
Fechner law[′fek·nər ‚lȯ] (physiology) The intensity of a sensation produced by a stimulus varies directly as the logarithm of the numerical value of that stimulus. Fechner law
Fechner law (fek′nĕr) [Gustav Theodor Fechner, Ger. psychologist, 1801–1887] A theory stating that the magnitudes of sensation produced by given stimuli form an arithmetical progression, the stimuli forming a geometrical progression. |