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- W620342011 abstract "The relational account and guided search account differ in the specificity of visual search within dimensions. Feature-based accounts espouse multiple coarse feature maps, while relational accounts espouse a single, continuous feature space. This study uses a visual cueing paradigm to test the most likely account across two experiments. Experiment One critically tests whether it is possible to set attention in the direction of orange. guided search would hypothesise that attention can only be directed towards base colours, while the relational account supports an attentional set for orange. Results were mixed; although the fastest reaction time was for the reddest coloured cues, the orange cue may have been inhibited. Although these results support that attention can only be directed in the direction of base colours, the inhibition of a mixed colour supports a feature space view instead of feature maps. Experiment Two investigates the possibility of a simpler feature space for preattentive search by using a colour wheel type feature space, with a winner-take-all cueing paradigm, in order to establish which cue has the highest attention driving capacity. guided search hypothesises that the red cue would capture attention the most, while the relational account hypothesises that one of the other three cues – orange, yellow-orange, or yellow; would capture attention the most. Results found that red cues produced the fastest reaction time, with orange cues producing the slowest reaction time. Furthermore, the task was significantly easier when orange cues did not occur at the location of the target. It is concluded that although attention can be directed only toward base colours, a locus of inhibition is created around the target colour in feature space, to prevent confusability with similar colours. Implications for current theories of attention and the applied significance of this research are discussed." @default.
- W620342011 created "2016-06-24" @default.
- W620342011 creator A5048271483 @default.
- W620342011 date "2010-01-01" @default.
- W620342011 modified "2023-09-27" @default.
- W620342011 title "How Colour Information is Attended to in Visual Search: Distinguishing between a Relational and Guided Search Account" @default.
- W620342011 hasPublicationYear "2010" @default.
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