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A choice reaction time analysis of spatial frequency discrimination

URN to cite this document:
Greenlee, Mark W. ; Breitmeyer, B. G.
Date of publication of this fulltext: 20 Jul 2012 08:32


Simple reaction time to the onset of sinewave gratings was measured as a function of spatial frequency in two observers. These results are compared to the choice reaction time required for the observer to correctly discriminate the spatial frequency of two gratings flashed sequentially. Grating contrast was either 0.75 or 1.5 logarithmic units above the detection threshold for each spatial ...


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