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{ "pk": 26098, "title": "Semantic Contamination of Visual Similarity Judgments", "subtitle": null, "abstract": "The roles of semantic and perceptual information in cognition\nare of widespread interest to many researchers. However,\ndisentangling their contributions is complicated by their\noverlap in real-world categories. For instance, attempts to\ncalibrate visual similarity based on participant judgments are\nundermined by the possibility that semantic knowledge\ncontaminates these judgments. This study investigated whether\ninverting stimuli attenuates semantic contamination of visual\nsimilarity judgments in adults and children. Participants\nviewed upright and inverted triads of familiar animals, and\njudged which of two test items looked most like the target. One\ntest item belonged to the same category as the target, and one\nbelonged to a different category. Test items’ visual similarity\nto the target either corresponded or conflicted with category\nmembership. Across age groups, conflicting category\nmembership reduced accuracy and slowed reaction times to a\ngreater extent in upright than inverted triads. Therefore,\ninversion attenuates semantic contamination of visual\nsimilarity judgments.", "language": "eng", "license": { "name": "", "short_name": "", "text": null, "url": "" }, "keywords": [ { "word": "semantic knowledge; visual similarity" } ], "section": "Papers", "is_remote": true, "remote_url": "https://escholarship.org/uc/item/1b86z174", "frozenauthors": [ { "first_name": "Layla", "middle_name": "", "last_name": "Unger", "name_suffix": "", "institution": "Carnegie Mellon University", "department": "" }, { "first_name": "Anna", "middle_name": "", "last_name": "Fisher", "name_suffix": "", "institution": "Carnegie Mellon University", "department": "" } ], "date_submitted": null, "date_accepted": null, "date_published": "2016-01-01T18:00:00Z", "render_galley": null, "galleys": [ { "label": "PDF", "type": "pdf", "path": "https://journalpub.escholarship.org/cognitivesciencesociety/article/26098/galley/15734/download/" } ] }