| Influences of multiple spatial stimulus and response codes on orthogonal stimulus-response compatibility. | |
MedLine Citation:
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PMID: 15675647 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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When up-down stimuli are mapped to left-right responses, an up-right/down-left mapping advantage is found that is modified by response eccentricity and hand posture. These effects can be attributed to correspondence of asymmetric stimulus and response codes formed relative to multiple reference frames. We examined the influence of stimulus-set location on these orthogonal stimulus-response compatibility (SRC) effects. In Experiment 1, the stimulus set appeared in the upper or lower display positions. A spatial code for stimulus-set location was formed, producing Simon-type response eccentricity and hand posture effects, but this code had no influence on the coding of the relevant stimuli. In Experiment 2, the stimulus set appeared in the left, center, or right positions relative to the response location, which also varied, to dissociate the effects of response location, relative to the stimulus display and body midline. The former factor influenced the orthogonal SRC effect for both unimanual switch movements and bimanual keypresses, and the latter factor influenced the effect for only unimanual switch movements. Stimulus-set location causes orthogonal Simon-type effects when varied along the stimulus dimension and provides a referent for response coding when varied along the response dimension. |
Authors:
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Yang Seok Cho; Robert W Proctor |
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Publication Detail:
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Type: Clinical Trial; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: Perception & psychophysics Volume: 66 ISSN: 0031-5117 ISO Abbreviation: Percept Psychophys Publication Date: 2004 Aug |
Date Detail:
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Created Date: 2005-01-28 Completed Date: 2005-03-01 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0200445 Medline TA: Percept Psychophys Country: United States |
Other Details:
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Languages: eng Pagination: 1003-17 Citation Subset: IM |
Affiliation:
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Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907-2004, USA. yscho@psych.purdue.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Choice Behavior Conditioning (Psychology)* Hand* Humans Posture* Reaction Time* Space Perception* |
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