Please use this persistent identifier to cite or link to this item: doi:10.24405/14260
Title: Independent control processes? Evidence for concurrent distractor inhibition and attentional usage of distractor information
Authors: Gillich, Imke Marilla
Jacobsen, Thomas 
Tomat, Miriam 
Wendt, Mike
Green Open Access (secondary release): 
Language: eng
Keywords: Attentional adjustment;Human Experimental Psychology;Visual Perception;Cognitive control;Distractor processing;Cognitive Control;Proportion Congruent Effect
Subject (DDC): 100 Philosophie & Psychologie
Issue Date: Jul-2019
Publisher: Elsevier
Document Type: Article
Journal / Series / Working Paper (HSU): Acta psychologica : international journal of psychonomics
Volume: 198
Interference evoked by a distractor presented prior to a target stimulus is reduced when the distractor-target SOA is increased, suggesting inhibition of distractor-related activation. Distractor processing is also assumed to be (strategically) adjusted to the proportions of congruent and incongruent target-distractor combinations, yielding a larger distractor interference effect when the proportion of congruent trials is higher (i.e., Proportion Congruent Effect, PCE). To explore the interplay of proportion congruent-based processing adjustment and the time course of distractor-related activation we varied the proportions of congruent and incongruent trials as well as the distractor-target SOA. To control for item-specific priming we kept distractor-related contingencies (i.e., frequency of individual distractor-target conjunctions) constant for a subset of the stimuli (and used a different subset to manipulate the proportions of congruent and incongruent trials). A PCE occurred, even for the subset of stimuli associated with constant distractor-related contingencies, thus ruling out item-specific contingency learning. Distractor interference was reduced when the SOA was increased, but this reduction did not differ between the proportion congruent conditions, as confirmed by a Bayesian analysis. Our results are consistent with independent processes pertaining to usage of distractor information for biasing response selection and distractor inhibition during the SOA. Alternative interpretations of the independent effects of the PC manipulation and the distractor-target SOA are discussed.
Organization Units (connected with the publication): Allgemeine und Biologische Psychologie 
ISSN: 1873-6297
Publisher DOI: 10.1016/j.actpsy.2019.102879
Appears in Collections:1 - Open Access Publications (except Theses)

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