Title: The time course of distractor-based response activation with predictable and unpredictable target onset
Authors: Jost, Kerstin
Wendt, Mike 
Luna-Rodriguez, Aquiles 
Löw, Andreas 
Jacobsen, Thomas  
Affiliation: Brandenburg Medical School
Medical School Hamburg
Allgemeine und Biologische Psychologie
Allgemeine und Biologische Psychologie
Allgemeine und Biologische Psychologie
Language: en
Keywords: Universitätsbibliographie;Evaluation 2019
Subject (DDC): Psychologie
Subject: Evoked Potential
Mental Process
Photic Stimulation
Issue Date: 2019
Publisher: Springer
Document Type: Article
Source: Enthalten in: Psychological research. - Berlin : Springer, 1921. - Online-Ressource. - Bd. 83.2019, 2, Seite 297-307
Journal / Series / Working Paper (HSU): Psychological Research 
Volume: 83
Issue: 2
Page Start: 297
Page End: 307
Publisher Place: Berlin
Abstract: 
Electrophysiological recording in a temporal flanker task (i.e., distractors preceding the targets) has demonstrated that distractor processing is adjusted to the overall utility of the distractors. Under high utility, that is, distractors are predictive of the target/response, distractors immediately activate the corresponding response (as indicated by the lateralized readiness potential, LRP). This activation has been shown to be markedly postponed when the target predictably occurs delayed. To investigate the occurrence and time course of distractor-related response activation under conditions of unpredictable target onset, we randomly varied the stimulus-onset asynchrony (SOA) between distractors and targets and recorded the distractor-evoked LRP. When the distractor utility was high, an LRP occurred shortly after distractor presentation. In case of a long SOA the time course of this LRP was characterized by a drop back to baseline and a subsequent re-activation that reached a substantial level before target onset. These results suggest that distractor processing is characterized by sophisticated adjustments to experienced utility and temporal constraints of the task as well as by further control processes that regulate premature response activation. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
Organization Units (connected with the publication): Allgemeine und Biologische Psychologie 
URL: https://ub.hsu-hh.de/DB=1.8/XMLPRS=N/PPN?PPN=1665880244
ISSN: 0340-0727
DOI: 10.1007/s00426-019-01149-7
Rights: 4.0 deutsch
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