Abstract
Peripheral sensitivity of the human eye, Ps, and the processing capacity of the central retina, Vc, are assumed to be inversely related. On this basis, a method was designed, whereby Ps as a function of Vc can be determined and a family of Ps maps for the whole surface of the periphery can be obtained. This can be done by means of an experimental system consisting of a computer-based visual field, a hemisphere, on which tracking patterns with varying degrees of difficulty are displayed centrally (Vc) and multivariate signals (to be detected) are simultaneously presented on the periphery (as indexes of Ps). Since the apparatus is capable of producing and controlling a great number of variables, it can, with slight or no modifications, be used to study a wide range of problems in the field of visual perception and attention.
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This project was financed by the Swedish Council for Research in Humanities and Social Sciences. The authors wish to express their appreciation to Klas Barklöf, Bernard Devine, Göran Hagert, and Jim Nordin for valuable assistance.
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Mashour, M., Holmberg, T. On central vision activity and peripheral sensitivity: A method with potentialities for research on a range of problems in visual perception. Behavior Research Methods & Instrumentation 14, 441–445 (1982). https://doi.org/10.3758/BF03203307
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DOI: https://doi.org/10.3758/BF03203307