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Conflicts during Response Selection Affect Response Programming: Reactions toward the Source of Stimulation

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Title: Conflicts during Response Selection Affect Response Programming: Reactions toward the Source of Stimulation
Language: English
Authors: Buetti, Simona, Kerzel, Dirk
Source: Journal of Experimental Psychology: Human Perception and Performance. Jun 2009 35(3):816-834.
Availability: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
Peer Reviewed: Y
Page Count: 19
Publication Date: 2009
Document Type: Journal Articles
Reports - Research
Education Level: Higher Education
Descriptors: Conflict, Programming, Cognitive Processes, Stimuli, Task Analysis, Human Body, Experimental Psychology, Foreign Countries, Universities, College Students, Psychology
Geographic Terms: Switzerland
DOI: 10.1037/a0011092
ISSN: 0096-1523
Abstract: In the Simon effect, participants make a left or right keypress in response to a nonspatial attribute (e.g., color) that is presented on the left or right. Reaction times (RTs) increase when the response activated by the irrelevant stimulus location and the response retrieved by instruction are in conflict. The authors measured RTs and movement parameters (MPs) of pointing responses in a typical Simon task. Their results show that the trajectories veer toward the imperative stimulus. This bias decreased as RTs increased. The authors suggest that the time course of trajectory deviations reflects the resolution of the response conflict over time. Further, time pressure did not affect the size of the Simon effect in MPs or its time course, but strongly reduced the Simon effect in RTs. In contrast, response selection before the onset of a go signal on the left or right did not affect the Simon effect in RTs, but reduced the Simon effect in MPs and reversed the time course. The authors speculate about independent Simon effects associated with response selection and programming. (Contains 7 figures and 3 tables.)
Abstractor: As Provided
Number of References: 32
Entry Date: 2009
Accession Number: EJ842470
Database: ERIC
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  Data: Conflicts during Response Selection Affect Response Programming: Reactions toward the Source of Stimulation
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  Data: <searchLink fieldCode="SO" term="%22Journal+of+Experimental+Psychology%3A+Human+Perception+and+Performance%22"><i>Journal of Experimental Psychology: Human Perception and Performance</i></searchLink>. Jun 2009 35(3):816-834.
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  Data: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
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  Data: 19
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  Data: 10.1037/a0011092
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  Data: 0096-1523
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: In the Simon effect, participants make a left or right keypress in response to a nonspatial attribute (e.g., color) that is presented on the left or right. Reaction times (RTs) increase when the response activated by the irrelevant stimulus location and the response retrieved by instruction are in conflict. The authors measured RTs and movement parameters (MPs) of pointing responses in a typical Simon task. Their results show that the trajectories veer toward the imperative stimulus. This bias decreased as RTs increased. The authors suggest that the time course of trajectory deviations reflects the resolution of the response conflict over time. Further, time pressure did not affect the size of the Simon effect in MPs or its time course, but strongly reduced the Simon effect in RTs. In contrast, response selection before the onset of a go signal on the left or right did not affect the Simon effect in RTs, but reduced the Simon effect in MPs and reversed the time course. The authors speculate about independent Simon effects associated with response selection and programming. (Contains 7 figures and 3 tables.)
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      – SubjectFull: Programming
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      – SubjectFull: Stimuli
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      – SubjectFull: Task Analysis
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      – TitleFull: Conflicts during Response Selection Affect Response Programming: Reactions toward the Source of Stimulation
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