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Semantic content outweighs low-level saliency in determining children's and adults' fixation of movies

Rider, AT; Coutrot, A; Pellicano, E; Dakin, SC; Mareschal, I; (2018) Semantic content outweighs low-level saliency in determining children's and adults' fixation of movies. Journal of Experimental Child Psychology , 166 pp. 293-309. 10.1016/j.jecp.2017.09.002. Green open access

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Abstract

To make sense of the visual world, we need to move our eyes to focus regions of interest on the high-resolution fovea. Eye movements, therefore, give us a way to infer mechanisms of visual processing and attention allocation. Here, we examined age-related differences in visual processing by recording eye movements from 37 children (aged 6–14 years) and 10 adults while viewing three 5-min dynamic video clips taken from child-friendly movies. The data were analyzed in two complementary ways: (a) gaze based and (b) content based. First, similarity of scanpaths within and across age groups was examined using three different measures of variance (dispersion, clusters, and distance from center). Second, content-based models of fixation were compared to determine which of these provided the best account of our dynamic data. We found that the variance in eye movements decreased as a function of age, suggesting common attentional orienting. Comparison of the different models revealed that a model that relies on faces generally performed better than the other models tested, even for the youngest age group (<10 years). However, the best predictor of a given participant’s eye movements was the average of all other participants’ eye movements both within the same age group and in different age groups. These findings have implications for understanding how children attend to visual information and highlight similarities in viewing strategies across development.

Type: Article
Title: Semantic content outweighs low-level saliency in determining children's and adults' fixation of movies
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.jecp.2017.09.002
Publisher version: https://doi.org/10.1016/j.jecp.2017.09.002
Language: English
Additional information: © 2017 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
Keywords: Social Sciences, Psychology, Developmental, Psychology, Experimental, Psychology, Eye movements, Visual attention, Development, Gaze, Dynamic, Faces, Saliency, Eye-Movements, Visual-Attention, Tracking, Gaze, Scenes, Faces, Infants, Search, System, Immaturity
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > IOE - Social Research Institute
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Institute of Ophthalmology
URI: https://discovery.ucl.ac.uk/id/eprint/10024316
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