title: Does response selection contribute to inhibition of return?
abstract: Inhibition of return (IOR) means delayed responses for targets at a cued compared to targets at an uncued location. It is assumed to reflect delayed reallocation of attention toward a previously attended location. Besides an attentional mechanism, IOR could also be due to a cue-evoked inhibition to respond toward a cued target. In the present study, IOR with simple, compatible, and incompatible choice responses was compared and tracked by means of event-related EEG activity. IOR was amplified with simple responses but did not differ between compatible and incompatible responses. Attention-related ERP correlates were constant across cue target onset asynchronies as were, in part, behavioral effects. Early, rather sensory ERP components varied with time, reflecting sensory or attentional interaction of cue and target processing. None of these effects varied with response requirements, indicating that response selection does not contribute to IOR in manual choice response tasks.
authors.affiliation: Department of Ergonomics, IfADo-Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.
authors.forename: Edmund
authors.initials: E
authors.lastname: Wascher
authors.affiliation: Department of Ergonomics, IfADo-Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.
authors.forename: Daniel
authors.initials: D
authors.lastname: Schneider
authors.affiliation: Department of Ergonomics, IfADo-Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.
authors.forename: Sven
authors.initials: S
authors.lastname: Hoffmann
mesh_terms: D000328:Adult; D001288:Attention / Q000502:physiology*; D002755:Choice Behavior / Q000502:physiology*; D003463:Cues; D004569:Electroencephalography; D005071:Evoked Potentials / Q000502:physiology*; D005260:Female; D006801:Humans; D007266:Inhibition, Psychological; D008297:Male; D055815:Young Adult
keywords: Cognition; EEG; Normal volunteers