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Interocular transfer of a chromatic frequency shift.

Interocular transfer of a spatial frequency shift was obtained with equiluminous color gratings; 5 experienced observers participated. Gratings that combined both color and luminance contrast yielded small aftereffects and no interocular transfer. Recent electrophysiological work has uncovered color-sensitive binocularly driven cells in visual cortex which are transient and often respond to color contrast in the absence of luminance contrast. In this study, the stimulus parameters associated with successful interocular transfer, equiluminous colors, and brief test matched the properties of these cells. Previous failure to induce interocular transfer of color effects is explained by inappropriate stimulus parameters. (31 ref) (PsycINFO Database Record (c) 2007 APA, all rights reserved)



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