Liquid Attention : The effect of contour on attentional spreading(Summary of Awarded Presentation at the 29th Annual Meeting)

概要

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It has been suggested that visual attention spreads along an object's contour. We investigated the role of contour on attentional spreading. As an index of spreading, we applied the same-object effect, where observers respond faster to targets within cued objects than those within uncued objects. The stimuli consisted of two rectangular objects, both of which were missing one long side. The task was to detect a target that appeared at the end of either a cued or uncued object. In both Experiments 1 and 2, the same-object effect was decreased when the cued object was missing the side faced the uncued object. Moreover, this tendency was more obvious when the uncued object was also missing the side faced the cued object. These results suggest that attention spreads from the opening of the cued object to the uncued object, like a "liquid."
2011-09-30