Please use this persistent identifier to cite or link to this item: doi:10.24405/14261
Title: No evidence for the reduction of task competition and attentional adjustment during task-switching practice
Authors: Strobach, Tilo
Wendt, Mike
Tomat, Miriam 
Luna-Rodriguez, Aquiles 
Jacobsen, Thomas 
Green Open Access (secondary release): 
Language: eng
Keywords: Attentional adjustment;Cognitive training;Conflict processing;Practice;Task switching
Subject (DDC): 100 Philosophie & Psychologie
Issue Date: Mar-2020
Publisher: Elsevier
Document Type: Article
Journal / Series / Working Paper (HSU): Acta psychologica : international journal of psychonomics
Volume: 204
Performance in task switching experiments is worse when the current stimulus is associated with different responses in the two tasks (i.e., incongruent condition) than when it is associated with the same response (i.e., congruent condition). This congruency effect reflects some sort of application of the irrelevant task's stimulus-response translation rules. Manipulating the recency and the proportion of congruent and incongruent trials results in a modulation of the congruency effect (i.e., Congruency Sequence Effect, CSE, and Proportion Congruency Effect, PCE, respectively), suggesting attentional adjustment of processing weights. Here, we investigated the impact of task switching practice on the congruency effect and the modulation thereof by (a) re-analyzing the data of a task switching experiment involving six consecutive sessions and (b) conducting a novel four-session experiment in which the proportions of congruent and incongruent trials were manipulated. Although practice appeared to reduce the reaction times overall and the task switch costs (i.e., slower reaction times after task switches than after task repetitions) to an asymptotic level, the congruency effect as well as its modulations remained remarkably constant. These findings thus do not provide evidence that conflict effects between tasks and attentional adjustment are affected by task switching practice.
Organization Units (connected with the publication): Allgemeine und Biologische Psychologie 
ISSN: 00016918
Publisher DOI: 10.1016/j.actpsy.2020.103036
Appears in Collections:1 - Open Access Publications (except Theses)

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