Electrophysiological correlates of crossmodal visual distractor congruency effects: evidence for response conflict.

Cognitive, Affective & Behavioral Neuroscience
Bettina Forster, Enea F Pavone

Abstract

To investigate the basis of crossmodal visual distractor congruency effects, we recorded event-related brain potentials (ERP) while participants performed a tactile location-discrimination task. Participants made speeded tactile location-discrimination responses to tactile targets presented to the index fingers or thumbs while ignoring simultaneously presented task-irrelevant visual distractor stimuli at either the same (congruent) or a different (incongruent) location. Behavioural results were in line with previous studies, showing slowed response times and increased error rates on incongruent compared with congruent visual distractor trials. To clarify the effect of visual distractors on tactile processing, concurrently recorded ERPs were analyzed for poststimulus, preresponse, and postresponse modulations. An enhanced negativity was found in the time range of the N2 component on incongruent compared with congruent visual distractor trials prior to correct responses. In addition, postresponse ERPs showed the presence of error-related negativity components on incorrect-response trials and enhanced negativity for congruent-incorrect compared with incongruent-incorrect trials. This pattern of ERP results has previously been rela...Continue Reading

Citations

Apr 18, 2012·Ergonomics·Marieke E ThurlingsPeter Werkhoven
Nov 10, 2011·Journal of Cognitive Neuroscience·Matthew R LongoPatrick Haggard
May 19, 2011·Cognitive, Affective & Behavioral Neuroscience·Nachshon MeiranChi-Chih Chang
Oct 1, 2009·The European Journal of Neuroscience·Enea Francesco PavoneMassimo Girelli
Mar 19, 2015·Frontiers in Behavioral Neuroscience·Sven Hoffmann, Christian Beste
Jan 16, 2016·The Journal of International Medical Research·Mengqi GuoXiaoping Ji
Dec 25, 2009·Journal of Neurophysiology·Edmund Wascher, Christian Beste
Mar 14, 2021·Journal of Experimental Child Psychology·Alan O'DowdRebecca J Hirst

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