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ERIC Number: EJ991090
Record Type: Journal
Publication Date: 2012-Apr
Pages: 10
Abstractor: As Provided
Reference Count: 40
ISSN: ISSN-0096-1523
Parallel Consolidation of Simple Features into Visual Short-Term Memory
Mance, Irida; Becker, Mark W.; Liu, Taosheng
Journal of Experimental Psychology: Human Perception and Performance, v38 n2 p429-438 Apr 2012
Although considerable research has examined the storage limits of visual short-term memory (VSTM), little is known about the initial formation (i.e., the consolidation) of VSTM representations. A few previous studies have estimated the capacity of consolidation to be one item at a time. Here we used a sequential-simultaneous manipulation to reexamine the limits of consolidating items into VSTM. Participants viewed briefly presented and masked color patches (targets), which were shown either sequentially or simultaneously. A probe color followed the targets and participants decided whether it matched one of the targets or was a novel color. In four experiments, we consistently found equal performance for sequential and simultaneous presentations for two targets. Worse performance in the simultaneous than the sequential condition was observed for larger set sizes (three and four). Contrary to previous results, suggesting a severe capacity limit of one item, our results indicate that consolidation into VSTM can occur in parallel and without capacity limits for at least two items. (Contains 3 footnotes and 4 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Michigan