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Categorical effects in visual search for colour

Daoutis, CA, Pilling, M and Davies, IRL (2006) Categorical effects in visual search for colour In: 25th European Conference on Visual Perception, 2002-08-25 - 2002-08-29, GLASGOW, SCOTLAND.

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Abstract

The role of categorization in visual search was studied in 3 colour search experiments where the target was or was not linearly separable from the distractors. The linear separability effect refers to the difficulty of searching for a target that falls between the distractors in CIE colour space (Bauer, Jolicoeur, & Cowan, 1996b). Observers performed nonlinearly separable searches where the target fell between the two types of distractors in CIE colour space. When the target and distractors fell within the same category, search was difficult. When they fell within three distinct categories, response times and search slopes were significantly reduced. The results suggest that categorical information, when available, facilitates search, reducing the linear separability effect.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Authors :
NameEmailORCID
Daoutis, CAUNSPECIFIEDUNSPECIFIED
Pilling, MUNSPECIFIEDUNSPECIFIED
Davies, IRLi.davies@surrey.ac.ukUNSPECIFIED
Date : June 2006
Identification Number : 10.1080/13506280600158670
Contributors :
ContributionNameEmailORCID
publisherPSYCHOLOGY PRESS, UNSPECIFIEDUNSPECIFIED
Uncontrolled Keywords : SELECTIVE ATTENTION, GUIDED SEARCH, SEPARABILITY, CATEGORIZATION, SIMILARITY, ARTIFACTS, MODEL
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 09:02
Last Modified : 17 May 2017 09:02
URI: http://epubs.surrey.ac.uk/id/eprint/821996

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