Temporal and spatial repetition blindness: effects of presentation mode and repetition lag on the perception of repeated items.
In this study, participants were asked to identify briefly presented 5-letter (Experiments 1-3) or 2-letter (Experiment 4) strings. Identical items in a repeated trial were identified worse than their counterparts in a nonrepeated trial, indicating repetition blindness (RB; N. G. Kanwisher, 1987). In Experiment 1, RB occurred regardless of whether items were presented successively or simultaneously. In Experiments 2-4, RB occurred regardless of whether 2 simultaneously presented items were spatially close or far apart. The magnitude of RB, however, varied with presentation mode and repetition lag: RB was smaller in simultaneous than successive presentation, and RB increased and then decreased with the number of items separating 2 identical ones. These results provide important constraints in the interpretation of RB. A model that attributes RB to the refractoriness of perceptual recognition units is proposed.
Luo
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CR
Department of Psychology, Dartmouth College, USA. cluo@wesleyan.edu or caram@wjh.harvard.edu
Caramazza
A
A
D004192:Discrimination, Psychological; D005556:Form Perception; D006801:Humans; D008568:Memory; D008960:Models, Psychological; D013028:Space Perception