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Prioritization of looming and receding objects: Equal slopes, different intercepts

Skarratt, PA and Cole, GG and Gellatly, ARH (2009) 'Prioritization of looming and receding objects: Equal slopes, different intercepts.' Attention, Perception, and Psychophysics, 71 (4). 964 - 970. ISSN 1943-3921

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Franconeri and Simons (2003) reported that simulated looming objects (marked by a size increase) captured attention, whereas simulated receding objects (marked by a size decrease) did not. This finding has been challenged with the demonstration that receding objects can capture attention when they move in three-dimensional depth. In the present study, we compared the effects of objects that either loomed or receded in depth. The results of two experiments showed that whereas both motion types benefited from attentional prioritization, as judged by their search slopes, looming objects elicited shorter response times (RTs). We conclude that both motion types attract attention during search; however, the RT advantage for looming motion seems to reflect a processing enhancement that occurs outside of selection and is conferred on the basis of motion direction. © 2009 The Psychonomic Society, Inc.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health > Psychology, Department of
Depositing User: Jim Jamieson
Date Deposited: 12 Nov 2011 20:07
Last Modified: 04 Feb 2019 11:15

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