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Research article summary:
Perceptual completion and object-based representations in short-term visual memory.
Abstract Extract:
Object-based representations in visual short-term memory (VSTM) were examined using a change detection memory task. A display comprising two rows of four differently colored elements was followed by a probe display in which only one of the rows ... (Full abstract text below) Published 2003Jul
in Journal: Mem Cognit
(Language : eng)
Full Pubmed Extract
This information was retrieved, real-time, on your behalf from the public area of the Pubmed website:
1. Mem Cognit.
2003 Jul;31(5):746-60
Perceptual completion and object-based representations in short-term visual memory.
Walker P, Davies SJ
Department of Psychology, University of Lancaster, Lancaster, England. p.walker@lancaster.ac.uk
Object-based representations in visual short-term memory (VSTM) were examined using a change detection memory task. A display comprising two rows of four differently colored elements was followed by a probe display in which only one of the rows reappeared. On same trials, the probed row was identical to the corresponding row in the memory display. On different trials, two of the elements in the probed row had their colors exchanged. In each memory display, a task-irrelevant visual element appeared between the two rows, with the potential to function as an occluder. Performance was enhanced when perceptual completion meant that four, rather than eight, objects were perceived in the memory display and when the probe display revealed that the occluded elements continued behind the occluder. It appears that several forms of representation can co-occur to support VSTM, one of which is object based.
PMID : 12956239 [PubMed - Indexed for MEDLINE]
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Full Author Information
| First Name | LastName | Initials |
| Peter | Walker | P |
| Simon J | Davies | SJ |
Affiliation: Department of Psychology, University of Lancaster, Lancaster, England. p.walker@lancaster.ac.uk
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