Control by action representation and input selection (CARIS): a theoretical framework for task switching

Control by action representation and input selection (CARIS) is a modeling framework for task-switching experiments, which considers action-related effects as critical constraints. It assumes that control operates by choosing control parameter values, representing input selection and action represen...

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Bibliographic Details
Published in:Psychological research 2008-09, Vol.72 (5), p.473-500
Main Authors: Meiran, Nachshon, Kessler, Yoav, Adi-Japha, Esther
Format: Article
Language:English
Subjects:
Attention
Behavioral Science and Psychology
Bias
Choice Behavior
Cognition
Cues
Discrimination Learning
Humans
Learning
Models, Psychological
Original Article
Problem Solving
Psychological research
Psychology
Psychology Research
Psychomotor Performance
Reaction Time
Social Adjustment
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Summary:Control by action representation and input selection (CARIS) is a modeling framework for task-switching experiments, which considers action-related effects as critical constraints. It assumes that control operates by choosing control parameter values, representing input selection and action representation. Competing CARIS models differ in whether (a) control parameters are determined by current instructions or represent a perseveration, (b) current instructions apply to the input selection and/or to action representation. According to the chosen model (a) task execution results in a default bias in favor of the executed task thus creating perseverative tendencies; (b) control counteracts these tendencies by applying a transient momentary bias whose locus (input selection or action representation) changes as a function of task preparation time; (c) this happens because the task-cue (e.g., SHAPE) initially attracts attention to the immediately available cue-information (e.g., target shape) and then attracts it to inferred or retrieved information (e.g., “circle” is related to the right key press).
ISSN:0340-0727
1430-2772
DOI:10.1007/s00426-008-0136-8