Binding of event files in a (go/no-go) simon task with an accessory peripheral signal.

Full Abstract

To understand the relation between the Simon effect and the time course of relevant and irrelevant code activations, we presented the response signal before or simultaneously with a go/no-go signal in an accessory Simon task. A peripheral accessory signal could appear before, simultaneously with or after the go/no-go signal. We observed a Simon effect when the accessory signal was presented just before or simultaneously with the go signal, irrespective of the delay between response and go/no-go signal. The Simon effect reversed when the accessory signal was presented 150 ms after the go signal when response information was presented first and the participants had to make a go/no-go decision afterwards or when they had to select a response when the go signal appeared. The reversal did not occur when both decisions were required at the same time. Our data suggest that the integration and release of event files are involved in the occurrence of the reversal. Response activation induced by the accessory stimulus facilitates/interferes with the response when it is presented before the event file is integrated. When the accessory stimulus is presented after integration, the automatically activated response is inhibited, causing a delay in the corresponding reaction times.

Author information

Author/s: Maetens, Kathleen (K); Henderickx, David (D); Soetens, Eric (E);

Affiliation: Department of Cognitive and Biological Psychology, Vrije Universiteit Brussel, Brussells, Belgium. Kathleen.Maetens(-atsign-)vub.ac.be

Journal and publication information

Publication Type: Journal Article

Journal: Experimental psychology (Exp Psychol), published in Germany. (Language: eng)

Reference: 2009-; vol 56 (issue 2) : pp 100-11

Dates: Created 2009/03/05; Completed 2009/05/28;

PMID: 19261585, status: MEDLINE (last retrieval date: 5/28/2009, IMS Date: 28 May 2009 00:00:00)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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