Document Detail


The impact of stimulus and response variability on S-R correspondence effects.
MedLine Citation:
PMID:  18444754     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Six experiments investigated how variability on irrelevant stimulus dimensions and variability on response dimensions contribute to spatial and nonspatial stimulus-response (S-R) correspondence effects. Experiments 1-3 showed that, when stimuli varied in location and number, S-R correspondence effects for location or numerosity occurred when responses varied on these dimensions but not when responses were invariant on these dimensions. These results are consistent with the response-discrimination account, according to which S-R correspondence effects should only arise for a dimension that is used for discriminating between responses in working memory. Experiments 4-6 showed that, when responses varied in location and number, both invariant and variable stimulus number produced correspondence effects in S-R numerosity. In summary, the present results indicate that the usefulness of a particular dimension for response discrimination can be sufficient for producing S-R correspondence effects, whereas variability of a stimulus dimension is not sufficient for producing such effects.
Authors:
Peter Wühr; Rupert Biebl; Ulrich Ansorge
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of experimental psychology. Learning, memory, and cognition     Volume:  34     ISSN:  0278-7393     ISO Abbreviation:  J Exp Psychol Learn Mem Cogn     Publication Date:  2008 May 
Date Detail:
Created Date:  2008-04-30     Completed Date:  2008-08-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8207540     Medline TA:  J Exp Psychol Learn Mem Cogn     Country:  United States    
Other Details:
Languages:  eng     Pagination:  533-45     Citation Subset:  IM    
Affiliation:
Institut für Psychologie I, Friedrich-Alexander-Universität, Erlangen, Germany. peter.wuehr@psy.phil.uni-erlangen.de
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Association Learning
Attention*
Conflict (Psychology)
Female
Functional Laterality*
Humans
Male
Memory, Short-Term*
Orientation*
Pitch Discrimination*
Psychomotor Performance*
Psychophysics
Reaction Time
Sound Localization

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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