The interplay of bottom-up and top-down mechanisms in visual guidance during object naming

Coco, Moreno I., Malcolm, George L. ORCID: and Keller, Frank (2014) The interplay of bottom-up and top-down mechanisms in visual guidance during object naming. Quarterly Journal of Experimental Psychology, 67 (6). pp. 1096-1120. ISSN 1747-0218

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An ongoing issue in visual cognition concerns the roles played by low-and high-level information in guiding visual attention, with current research remaining inconclusive about the interaction between the two. In this study, we bring fresh evidence into this long-standing debate by investigating visual saliency and contextual congruency during object naming (Experiment 1), a task in which visual processing interacts with language processing. We then compare the results of this experiment to data of a memorization task using the same stimuli (Experiment 2). In Experiment 1, we find that both saliency and congruency influence visual and naming responses and interact with linguistic factors. In particular, incongruent objects are fixated later and less often than congruent ones. However, saliency is a significant predictor of object naming, with salient objects being named earlier in a trial. Furthermore, the saliency and congruency of a named object interact with the lexical frequency of the associated word and mediate the time-course of fixations at naming. In Experiment 2, we find a similar overall pattern in the eye-movement responses, but only the congruency of the target is a significant predictor, with incongruent targets fixated less often than congruent targets. Crucially, this finding contrasts with claims in the literature that incongruent objects are more informative than congruent objects by deviating from scene context and hence need a longer processing. Overall, this study suggests that different sources of information are interactively used to guide visual attention on the targets to be named and raises new questions for existing theories of visual attention.

Item Type: Article
Uncontrolled Keywords: eye movements,object naming,scene understanding,cross-modal processing,visual guidance,real-world scenes,eye-movements,semantic context,natural scenes,attention,search,perception,paradigm,pictures,inconsistencies
Faculty \ School: Faculty of Social Sciences > School of Psychology
UEA Research Groups: Faculty of Social Sciences > Research Groups > Cognition, Action and Perception
Faculty of Social Sciences > Research Groups > Developmental Science
Depositing User: Pure Connector
Date Deposited: 05 Apr 2016 11:00
Last Modified: 21 Oct 2022 04:34
DOI: 10.1080/17470218.2013.844843

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