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J Exp Psychol Hum Percept Perform · Jun 2004
The costs of changing the representation of action: response repetition and response-response compatibility in dual tasks.
- Stefanie Schuch and Iring Koch.
- Max Planck Institute for Human Cognitive and Brain Sciences, Munich, Germany. schuch@cbs.mpg.de
- J Exp Psychol Hum Percept Perform. 2004 Jun 1;30(3):566-82.
AbstractIn 5 experiments, the authors investigated the costs associated with repeating the same or a similar response in a dual-task setting. Using a psychological refractory period paradigm, they obtained response-repetition costs when the cognitive representation of a specific response (i.e., the category-response mapping) changed (Experiment 1) but benefits when it did not change (Experiment 2). The analogous pattern of results was found for conceptually similar (i.e. compatible) responses. Response-response compatibility costs occurred when the cognitive representations of the compatible responses were different (Experiments 3A & 3B), but compatibility benefits occurred when they were the same (Experiment 4). The authors interpret the costs of repeating an identical or compatible response in terms of a general mechanism of action selection that involves coding the task-specific meaning of a response.((c) 2004 APA, all rights reserved)
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