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Weber Ratio for Visual Discrimination of Velocity

1960; American Association for the Advancement of Science; Volume: 131; Issue: 3416 Linguagem: Inglês

10.1126/science.131.3416.1809

1095-9203

Robert H. Brown,

Visual perception and processing mechanisms

As an approximation based on various experiments reported in the literature, the least detectable difference in speed (delta w) varies in direct proportion to the speed (w) over a range from 0.1 to 20 degrees of visual angle per second. The constancy of the Weber ratio (deltaw/w) aids in understanding how men react to velocity in various situations.