Abstract

Stimulus-selectivity in phenomena such as the McCollough effect and other contingent after effects are controversial. Word specific McCollough effects have been reported (Allan et al., Percept Psychophys 1989;45:104-113) that suggest an associative model rather then a neural one. However, failures to replicate make this finding controversial (Humphrey et al., J Exp Psychol: Gen 123:86-90). We applied the same contingency to the motion after-effect. Moving words, words paired with sine wave gratings and words composed of sine wave gratings failed to generate text contingent after-effects in stimulus situations that normally evoke motion after-effects. Thus, there was little evidence that motion adaptation can be made textually contingent.

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