Document Detail

Representing response position relative to display location: influence on orthogonal stimulus-response compatibility.
MedLine Citation:
PMID:  16194938     Owner:  NLM     Status:  MEDLINE    
Two types of stimulus-response compatibility (SRC) effect occur with orthogonal stimulus and response sets, an overall up-right/down-left advantage and mapping preferences that vary with response position. Researchers agree that the former type is due to asymmetric coding of the stimulus and response alternatives, but disagree as to whether the latter type requires a different explanation in terms of the properties of the motor system. This issue is examined in three experiments. The location of the stimulus set influenced orthogonal SRC when it varied along the same dimension as the responses (Experiments 1 and 2), with the pattern predicted by the hypothesis that the stimulus set provides a referent relative to which response position is coded. The effect of stimulus-set location on orthogonal SRC was independent of the stimulus onset asynchrony (SOA) for a marker that indicated stimulus-set side and the imperative stimulus. In contrast, a spatial correspondence effect for the irrelevant stimulus-set location and response was a decreasing function of SOA. Experiment 3 showed that the orthogonal SRC effect was determined by response position relative to the stimulus-set location and not the body midline. The results support the view that both types of orthogonal SRC effects are due to asymmetric coding of the stimuli and responses.
Yang Seok Cho; Robert W Proctor
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Quarterly journal of experimental psychology. A, Human experimental psychology     Volume:  58     ISSN:  0272-4987     ISO Abbreviation:  Q J Exp Psychol A     Publication Date:  2005 Jul 
Date Detail:
Created Date:  2005-09-30     Completed Date:  2005-11-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8107269     Medline TA:  Q J Exp Psychol A     Country:  England    
Other Details:
Languages:  eng     Pagination:  839-64     Citation Subset:  IM    
Department of Psychological Sciences, Purdue University, West Lafayette, IN 47907-1364, USA.
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MeSH Terms
Reaction Time
Space Perception*
Visual Perception

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