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psychophysics
Date Submitted: 09/12/2000 06:51:53
Category: / Science & Technology
Length: 3 pages (803 words)
Views: 166248
Psychophysics The Weber -Fechner Principle: An Approximate psychological law relating the degree of response or sensation of a sense organ and the intensity of the stimulus. The law asserts that equal increments of sensation are associated with equal increments of the logarithm of the stimulus, or that the just noticeable difference in any sensation results from a change in the stimulus, which bears a constant ratio to the value of the stimulus. Ernst Heinrich Weber (1795
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