Visual Perception and Xerography

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Science  14 Jun 1968:
Vol. 160, Issue 3833, pp. 1251-1252
DOI: 10.1126/science.160.3833.1251


An electrostatic copying machine was used to model the perception of simultaneous brightness contrast. Such a model may assist the study of sensory inhibition by permitting the study of complex situations as they are transformed by rules similar to those at work in neural integration.