Modern neuroscience, like early physics, is striving to describe and condense observations with mathematical equations. Compared to physics, neuroscience has only a modest number of laws. 14 Yet, one of these, the Weber law or also called the Weber-Fechner law has a breathtaking simplicity and generality. This law is named after two German scientists who laid the groundwork for human psychophysics, a quantitative investigation of the relationship between physical stimuli and the mental states they induce. Ernst Heinrich Weber was a physician who was interested in how we can perceive
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