Document Detail

Configural representations in spatial working memory: modulation by perceptual segregation and voluntary attention.
MedLine Citation:
PMID:  21761373     Owner:  NLM     Status:  MEDLINE    
In what form are multiple spatial locations represented in working memory? The present study revealed that people often maintain the configural properties (interitem relationships) of visuospatial stimuli even when this information is explicitly task-irrelevant. However, the results also indicated that the voluntary allocation of selective attention prior to stimulus presentation, as well as feature-based perceptual segregation of relevant from irrelevant stimuli, can eliminate the influence of stimulus configuration on location-change detection performance. In contrast, voluntary attention cued to the relevant target location following presentation of the stimulus array failed to attenuate these influences. Thus, whereas voluntary selective attention can isolate or prevent the encoding of irrelevant stimulus locations and configural properties, people, perhaps due to limitations in attentional resources, reliably fail to isolate or suppress configural representations that have been encoded into working memory.
Leon Gmeindl; James K Nelson; Timothy Wiggin; Patricia A Reuter-Lorenz
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Attention, perception & psychophysics     Volume:  73     ISSN:  1943-393X     ISO Abbreviation:  Atten Percept Psychophys     Publication Date:  2011 Oct 
Date Detail:
Created Date:  2011-10-31     Completed Date:  2012-03-29     Revised Date:  2014-09-09    
Medline Journal Info:
Nlm Unique ID:  101495384     Medline TA:  Atten Percept Psychophys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2130-42     Citation Subset:  IM    
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MeSH Terms
Color Perception*
Discrimination (Psychology)*
Memory, Short-Term*
Pattern Recognition, Visual*
Reaction Time
Young Adult
Grant Support
R01 AG018286/AG/NIA NIH HHS; R01 AG018286-05/AG/NIA NIH HHS

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