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Lateral interactions between targets and flankers in low-level vision depend on attention to the flankers

Freeman, E; Sagi, D; Driver, J; (2001) Lateral interactions between targets and flankers in low-level vision depend on attention to the flankers. Nature Neuroscience , 4 (10) pp.1032 - 1036.

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Abstract

Detection of an oriented visual target can be facilitated by collinear visual flankers. Such lateral interactions are thought to reflect integrative processes in low-level vision. In past studies, the flankers were task-irrelevant, and were typically assumed to be unattended. Here we manipulated attention to the flankers directly, by requiring observers to judge the relative alignment of two flankers while ignoring a second flanker-pair. Under identical stimulus conditions, attended flankers produced typical lateral interactions, but ignored flankers did not. These data show that lateral interactions can depend on attention to the flanking context, revealing the functional consequences of attentional modulation in low-level vision.

Type:Article
Title:Lateral interactions between targets and flankers in low-level vision depend on attention to the flankers
Additional information:Imported via OAI, 7:29:00 10th Aug 2007
Keywords:interaction, vision, Attention, Vision
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Brain Sciences > Psychology and Language Sciences (Division of) > Institute of Cognitive Neuroscience
UCL > School of Life and Medical Sciences > Faculty of Life Sciences

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