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Conference Paper: The effect of perceptual expertise on visual short-term memory

TitleThe effect of perceptual expertise on visual short-term memory
Authors
Issue Date2011
PublisherPion Ltd.. The Journal's web site is located at http://i-perception.perceptionweb.com/journal/I/
Citation
The 7th Asia-Pacific Conference on Vision (APCV 2011), Hong Kong, 15-18 July 2011. In i-Perception, 2011, v. 2 n. 4, article no. 240 How to Cite?
AbstractVisual working memory (VWM) capacity is larger for faces than other complex objects. Inversion reduces capacity for faces more than nonfaces (Curby and Gauthier, 2007). These findings suggest that VWM is influenced by the encoding processes employed by face experts. Scolari, Vogel and Awh (2008) found that perceptual expertise enables a more detailed memory, instead of a larger WM capacity, for faces than nonfaces. Since people are more expert at recognizing own-race than other-race faces, we investigated whether this advantage is due to a higher resolution of own-race face representations. Six study items (Chinese and Caucasian faces, shaded cubes) were simultaneously shown on screen on each trial. After a short delay, a single image was presented. Participants were asked to judge whether this image was the same or different from the item that originally appeared in that location. Neither own-race nor other-race faces showed an inversion effect when stimuli changed between categories (face to cube, cube to face). However, an inversion effect was found for both own-race and other-race faces when changes occurred within a category (face to face, cube to cube). These results suggest that both own-race and other-race faces are stored with high resolution in working memory.
DescriptionOpen Access Journal
亞太視覺會議, APCV 2011
Poster Session - Face & Object Recognition: no. 240
Persistent Identifierhttp://hdl.handle.net/10722/137998
ISSN

 

DC FieldValueLanguage
dc.contributor.authorZhang, Wen_US
dc.contributor.authorHayward, Wen_US
dc.date.accessioned2011-08-26T14:37:58Z-
dc.date.available2011-08-26T14:37:58Z-
dc.date.issued2011en_US
dc.identifier.citationThe 7th Asia-Pacific Conference on Vision (APCV 2011), Hong Kong, 15-18 July 2011. In i-Perception, 2011, v. 2 n. 4, article no. 240en_US
dc.identifier.issn2041-6695 (electronic)-
dc.identifier.urihttp://hdl.handle.net/10722/137998-
dc.descriptionOpen Access Journal-
dc.description亞太視覺會議, APCV 2011-
dc.descriptionPoster Session - Face & Object Recognition: no. 240-
dc.description.abstractVisual working memory (VWM) capacity is larger for faces than other complex objects. Inversion reduces capacity for faces more than nonfaces (Curby and Gauthier, 2007). These findings suggest that VWM is influenced by the encoding processes employed by face experts. Scolari, Vogel and Awh (2008) found that perceptual expertise enables a more detailed memory, instead of a larger WM capacity, for faces than nonfaces. Since people are more expert at recognizing own-race than other-race faces, we investigated whether this advantage is due to a higher resolution of own-race face representations. Six study items (Chinese and Caucasian faces, shaded cubes) were simultaneously shown on screen on each trial. After a short delay, a single image was presented. Participants were asked to judge whether this image was the same or different from the item that originally appeared in that location. Neither own-race nor other-race faces showed an inversion effect when stimuli changed between categories (face to cube, cube to face). However, an inversion effect was found for both own-race and other-race faces when changes occurred within a category (face to face, cube to cube). These results suggest that both own-race and other-race faces are stored with high resolution in working memory.-
dc.languageengen_US
dc.publisherPion Ltd.. The Journal's web site is located at http://i-perception.perceptionweb.com/journal/I/-
dc.relation.ispartofi-Perceptionen_US
dc.rightsCopyright is retained by the author(s) of this article. This open-access article is distributed under a Creative Commons Licence, which permits noncommercial use, distribution, and reproduction, provided the original author(s) and source are credited and no alterations are made.-
dc.titleThe effect of perceptual expertise on visual short-term memoryen_US
dc.typeConference_Paperen_US
dc.identifier.emailZhang, W: h0993041@hku.hken_US
dc.identifier.emailHayward, W: whayward@hkucc.hku.hk-
dc.identifier.authorityHayward, W=rp00630en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1068/ic240-
dc.identifier.hkuros191741en_US
dc.identifier.volume2-
dc.identifier.issue4-
dc.publisher.placeUnited Kingdom-
dc.description.otherThe 7th Asia-Pacific Conference on Vision (APCV 2011), Hong Kong, 15-18 July 2011. In i-Perception, 2011, v. 2 n. 4, article no. 240-

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