Differential effects of cue changes and task changes on task-set selection costs.
Copyright policy )Differential effects of cue changes and task changes on task-set selection costs.
A task-switching paradigm with a 2:1 mapping between cues and tasks was used to separate cue-switching processes (indexed through pure cue-switch costs) from actual task-switching processes (indexed through additional costs in case of cue and task changes). A large portion of total switch costs was due to cue changes (Experiments 1 and 2), and cue-switch costs but not task-switch costs were sensitive to effects of practice (Experiment 1) and preparation (Experiment 2). In contrast, task-switch costs were particularly sensitive to response-priming effects (Experiments 1 and 2) and task-set inhibition (Experiment 3). Results suggest two processing stages relevant during task-set selection: cue-driven retrieval of task rules from long-term memory and the automatic application of rules to a particular stimulus situation.
- University of Oregon United States
- University of Potsdam Germany
Department Psychologie, Form Perception, Inhibition, Psychological, Discrimination, Psychological, Time Factors, Memory, Reaction Time, Humans, Cues, Choice Behavior, Color Perception
Department Psychologie, Form Perception, Inhibition, Psychological, Discrimination, Psychological, Time Factors, Memory, Reaction Time, Humans, Cues, Choice Behavior, Color Perception
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