Exogenous attention and color perception: Performance and appearance of saturation and hue

被引:103
作者
Fuller, Stuart
Carrasco, Marisa [1 ]
机构
[1] NYU, Dept Psychol, New York, NY 10003 USA
[2] NYU, Ctr Neural Sci, New York, NY 10003 USA
关键词
attention; appearance; hue; saturation; performance;
D O I
10.1016/j.visres.2006.07.014
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Exogenous covert attention is an automatic, transient form of attention that can be triggered by sudden changes in the periphery. Here we test for the effects of attention on color perception. We used the methodology developed by Carrasco, Ling, and Read [Carrasco, M., Ling, S., & Read, S. (2004). Attention alters appearance. Nature Neuroscience, 7 (3) 308-313] to explore the effects of exogenous attention on appearance of saturation (Experiment 1) and of hue (Experiment 2). We also tested orientation discrimination performance for single stimuli defined by saturation or hue (Experiment 3). The results indicate that attention increases apparent saturation, but does not change apparent hue, notwithstanding the fact that it improves orientation discrimination for both saturation and hue stimuli. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:4032 / 4047
页数:16
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