In general, visual search refers to the act of visually scanning an environment for a target item among distractors (Duncan and Humphreys 1989). Finding a favorite piece of clothing inside a closet full of clothes is an everyday example of a task that might require visual search. Visual search can be classified into two main types: feature search and conjunction search (e.g., Duncan and Humphreys 1989; Treisman and Gelade 1980; Trick and Enns 1998).
In feature search, a distinctive attribute of the target item is identified and used to locate the item from among the distractors (Duncan and Humphreys 1989). For example, a task involving locating a star-shaped set from a series of squares would be utilizing feature search, with the distinctive attribute of shape causing the target item (the star) to stand out from the distractors (the squares). This “pop-out” effect observed in feature search is thought to be linked to parallel processing of the targets and distractors (Duncan and...
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Ochoa, C., Woods, A.J. (2018). Visual Search. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_9135
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