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Voluntary task switching under load: contribution of top-down and bottom-up factors in goal-directed behavior

(2010) PSYCHONOMIC BULLETIN & REVIEW. 17(3). p.387-393
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Abstract
The present study investigated the relative contribution of bottom-up and top-down control to task selection in the voluntary task-switching (VTS) procedure. In order to manipulate the efficiency of top-down control, a concurrent working memory load was imposed during VTS. In three experiments, bottom-up factors, such as stimulus repetitions, repetition of irrelevant information, and stimulus task associations, were introduced in order to investigate their influence on task selection. We observed that the tendency to repeat tasks was stronger under load, suggesting that top-down control counteracts the automatic tendency to repeat tasks. The results also indicated that task selection can be guided by several elements in the environment, but that only the influence of stimulus repetitions depends on the efficiency of top-down control. The theoretical implications of these findings are discussed within the interplay between top-down and bottom-up control that underlies the voluntary selection of tasks.
Keywords
bottom-up control, ACTIVATION, SELECTION, CHOICE, voluntary task switching, cognitive load, top-down control, STIMULUS, ATTENTION, REPETITION, PARADIGMS, COSTS

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Chicago
Demanet, Jelle, Frederick Verbruggen, Baptist Liefooghe, and André Vandierendonck. 2010. “Voluntary Task Switching Under Load: Contribution of Top-down and Bottom-up Factors in Goal-directed Behavior.” Psychonomic Bulletin & Review 17 (3): 387–393.
APA
Demanet, Jelle, Verbruggen, F., Liefooghe, B., & Vandierendonck, A. (2010). Voluntary task switching under load: contribution of top-down and bottom-up factors in goal-directed behavior. PSYCHONOMIC BULLETIN & REVIEW, 17(3), 387–393.
Vancouver
1.
Demanet J, Verbruggen F, Liefooghe B, Vandierendonck A. Voluntary task switching under load: contribution of top-down and bottom-up factors in goal-directed behavior. PSYCHONOMIC BULLETIN & REVIEW. 2010;17(3):387–93.
MLA
Demanet, Jelle, Frederick Verbruggen, Baptist Liefooghe, et al. “Voluntary Task Switching Under Load: Contribution of Top-down and Bottom-up Factors in Goal-directed Behavior.” PSYCHONOMIC BULLETIN & REVIEW 17.3 (2010): 387–393. Print.
@article{990490,
  abstract     = {The present study investigated the relative contribution of bottom-up and top-down control to task selection in the voluntary task-switching (VTS) procedure. In order to manipulate the efficiency of top-down control, a concurrent working memory load was imposed during VTS. In three experiments, bottom-up factors, such as stimulus repetitions, repetition of irrelevant information, and stimulus task associations, were introduced in order to investigate their influence on task selection. We observed that the tendency to repeat tasks was stronger under load, suggesting that top-down control counteracts the automatic tendency to repeat tasks. The results also indicated that task selection can be guided by several elements in the environment, but that only the influence of stimulus repetitions depends on the efficiency of top-down control. The theoretical implications of these findings are discussed within the interplay between top-down and bottom-up control that underlies the voluntary selection of tasks.},
  author       = {Demanet, Jelle and Verbruggen, Frederick and Liefooghe, Baptist and Vandierendonck, Andr{\'e}},
  issn         = {1069-9384},
  journal      = {PSYCHONOMIC BULLETIN \& REVIEW},
  keyword      = {bottom-up control,ACTIVATION,SELECTION,CHOICE,voluntary task switching,cognitive load,top-down control,STIMULUS,ATTENTION,REPETITION,PARADIGMS,COSTS},
  language     = {eng},
  number       = {3},
  pages        = {387--393},
  title        = {Voluntary task switching under load: contribution of top-down and bottom-up factors in goal-directed behavior},
  url          = {http://dx.doi.org/10.3758/PBR.17.3.387},
  volume       = {17},
  year         = {2010},
}

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