Department of Psychology, Tokyo Metropolitan University
1975 Volume 17 Issue 3 Pages 147-151
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15 Ss were assigned to 1 of 3 viewing conditions to examine the effects of steady fixation and eye movements on decrement of the Müller-Lyer illusion. In Condition 1, a large number of brief tachistoscopic exposures were given with regular intervals during the inspection period and the Ss were instructed to fixate the center of the figure. In Condition 2, the figure was reversed 180°from exposure to exposure. In Condition 3, the figure was exposed continiously and the Ss were free to move their eyes. The magnitudes of decrement in all Conditions were nearly the same. The results were discussed in relation to Köhler & Fishback's satiation theory and Festinger et al.'s efferent readiness theory and concluded to support neither of these theories.