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Grouping effects on spatial attention in visual search.

Grouping effects on spatial attention in visual search.
Grouping effects on spatial attention in visual search.
In visual search tasks, spatial attention selects the locations containing a target or a distractor with one of the target's features, implying that spatial attention is driven by target features (M.-S. Kim & K. R. Cave, 1995). The authors measured the effects of location-based grouping processes in visual search. In searches for a color-shape combination (conjunction search), spatial probes indicated that a cluster of same-color or same-shape elements surrounding the target were grouped and selected together. However, in searches for a shape target (feature search), evidence for grouping by an irrelevant feature dimension was weaker or nonexistent. Grouping processes aided search for a visual target by selecting groups of locations that shared a common feature, although there was little or no grouping by an irrelevant feature when the target was defined by a unique salient feature.
326-352
Kim, M.S.
66d3deeb-658d-4024-9846-6eb2d68d720a
Cave, K.R.
6b785a60-6331-429a-9b98-d0b10264db5b
Kim, M.S.
66d3deeb-658d-4024-9846-6eb2d68d720a
Cave, K.R.
6b785a60-6331-429a-9b98-d0b10264db5b

Kim, M.S. and Cave, K.R. (1999) Grouping effects on spatial attention in visual search. Journal of General Psychology, 126, 326-352.

Record type: Article

Abstract

In visual search tasks, spatial attention selects the locations containing a target or a distractor with one of the target's features, implying that spatial attention is driven by target features (M.-S. Kim & K. R. Cave, 1995). The authors measured the effects of location-based grouping processes in visual search. In searches for a color-shape combination (conjunction search), spatial probes indicated that a cluster of same-color or same-shape elements surrounding the target were grouped and selected together. However, in searches for a shape target (feature search), evidence for grouping by an irrelevant feature dimension was weaker or nonexistent. Grouping processes aided search for a visual target by selecting groups of locations that shared a common feature, although there was little or no grouping by an irrelevant feature when the target was defined by a unique salient feature.

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Published date: 1 October 1999

Identifiers

Local EPrints ID: 56923
URI: http://eprints.soton.ac.uk/id/eprint/56923
PURE UUID: c89fb2b6-a21f-42ac-bc33-97089a41151f

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Date deposited: 18 Aug 2008
Last modified: 13 Mar 2019 20:34

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