Beyond Gist Strategic and Incremental Information Accumulation for Scene Categorization

Malcolm, George L., Nuthmann, Antje and Schyns, Philippe G. (2014) Beyond Gist Strategic and Incremental Information Accumulation for Scene Categorization. Psychological Science, 25 (5). pp. 1087-1097. ISSN 0956-7976

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Research on scene categorization generally concentrates on gist processing, particularly the speed and minimal features with which the "story" of a scene can be extracted. However, this focus has led to a paucity of research into how scenes are categorized at specific hierarchical levels (e.g., a scene could be a road or more specifically a highway); consequently, research has disregarded a potential diagnostically driven feedback process. We presented participants with scenes that were low-pass filtered so only their gist was revealed, while a gaze-contingent window provided the fovea with full-resolution details. By recording where in a scene participants fixated prior to making a basic- or subordinate-level judgment, we identified the scene information accrued when participants made either categorization. We observed a feedback process, dependent on categorization level, that systematically accrues sufficient and detailed diagnostic information from the same scene. Our results demonstrate that during scene processing, a diagnostically driven bidirectional interplay between top-down and bottom-up information facilitates relevant category processing.

Item Type: Article
Uncontrolled Keywords: object recognition,eye movements,natural scenes,rapid categorization,recognition,constraints,blobs,edges
Faculty \ School: Faculty of Social Sciences > School of Psychology
Depositing User: Pure Connector
Date Deposited: 05 Apr 2016 13:00
Last Modified: 22 Apr 2020 01:14
DOI: 10.1177/0956797614522816

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