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We provide novel evidence for a two-stage model of visual search applied to the selection based on top-down cues to stimulus colour and orientation. The model supposes that visual displays are first parsed into colour based groups, a process that is modulated by the presence of an initial cue to the target's colour. Subsequently search is directed to other featural properties represented within the colour-based groups. Cues to the orientation of the target are only effective at this second stage. The results provide strong evidence that colour and orientation cues operate in different ways to guide search.

Original publication

DOI

10.1016/j.visres.2012.12.008

Type

Journal article

Journal

Vision Res

Publication Date

07/03/2013

Volume

79

Pages

36 - 46

Keywords

Adolescent, Adult, Analysis of Variance, Attention, Color Perception, Eye Movements, Female, Humans, Male, Photic Stimulation, Reaction Time, Visual Perception, Young Adult