Visual Similarity Predicts Categorical Search Guidance
نویسندگان
چکیده
منابع مشابه
Visual similarity effects in categorical search.
We asked how visual similarity relationships affect search guidance to categorically defined targets (no visual preview). Experiment 1 used a web-based task to collect visual similarity rankings between two target categories, teddy bears and butterflies, and random-category objects, from which we created search displays in Experiment 2 having either high-similarity distractors, low-similarity d...
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Visual search is thought to be guided by top-down templates that are held in visual working memory. Previous studies have shown that a search-guiding template can be rapidly and strongly implemented from a visual cue, whereas templates are less effective when based on categorical cues. Direct visual priming from cue to target may underlie this difference. In two experiments we first asked obser...
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We trained one group of pigeons to search for members of an artificial category among category-unspecified nonmembers. For another group of pigeons, the roles of the targets and of the distractors were reversed. Experiment 1 found that the latter group showed surprisingly efficient search for multiple nonmembers. Search times in this group were generally faster than those in the former group, r...
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A new theory of search and visual attention is presented. Results support neither a distinction between serial and parallel search nor between search for features and conjunctions. For all search materials, instead, difficulty increases with increased similarity of targets to nontargets and decreasedsimilarity between nontargets, producing a continuum of search efficiency. A parallel stage of p...
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It is impossible to identify all objects in the visual world at the same time. Accordingly, we must direct attention to specific objects in order to fully recognize them. The deployment of attention is far from random. Attention is guided toward likely targets by a limited set of stimulus attributes such as color and size (“classic guidance”). Attention is also guided by a number of scenebased ...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2010
ISSN: 1534-7362
DOI: 10.1167/10.7.1316