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21 December, 16:59

The research of ernst weber led to the formulation of a theory of

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  1. 21 December, 18:59
    It is the theory of just noticeable differences of JND. In the branch of exploratory brain science concentrated on sense, sensation, and recognition, which is called psychophysics, a simply perceptible contrast or JND is the sum something must be changed all together for a distinction to be discernible, recognizable at any rate a fraction of the time
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