Judged: two independent readers; copy check clear.
Fechner’s law
Fechner’s law Fechner’s law is a historical psychophysical principle, derived from Weber’s law, proposing that the strength of a sensation rises in proportion to the logarithm of the physical stimulus.
Fechner’s law is a historical psychophysical principle, derived from Weber’s law, proposing that the strength of a sensation rises in proportion to the logarithm of the physical stimulus. In formula form, it states that sensation intensity equals a constant times the logarithm of stimulus intensity, though the assumptions behind it were disputed.