Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study

The present study explores the neural correlates of voluntary modulations of attention in an auditory-visual matching task. Visual stimuli (a female or a male face) were preceded in cióse temporal proximity by auditory stimuli consisting of the Spanish word for "man" and "woman"...

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Autores principales:	ORTEGA,RODRIGO, LÓPEZ,VLADIMIR, ABOITIZ,FRANCISCO
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2008
Materias:	Voluntary attention semantic processing Top down control ERP components
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602008000400010
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spelling	oai:scielo:S0716-976020080004000102009-06-16Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP studyORTEGA,RODRIGOLÓPEZ,VLADIMIRABOITIZ,FRANCISCO Voluntary attention semantic processing Top down control ERP components The present study explores the neural correlates of voluntary modulations of attention in an auditory-visual matching task. Visual stimuli (a female or a male face) were preceded in cióse temporal proximity by auditory stimuli consisting of the Spanish word for "man" and "woman" ("hombre" or "mujer"). In 80% of the triáis the gender of the two stimuli coincided. Participants were asked to mentally count the specific instances in which a female face appeared after hearing the word "man" (10 % of the triáis). Our results show attention-related amplitude modulation of the early visual ERP components NI and anterior P2, but also amplitude modulations of (i) the N270 potential usually associated with conflict detection, (ii) a P300 wave related to infrequency, and (iii) an N400 potential related to semantic incongruence. The elicitation of these latter components varied according to task manipulations, evidencing the role of voluntary allocation of attention in fine-tuning cognitive processing, which includes basic processes like detection of infrequency or semantic incongruity often considered to be volition-independent.info:eu-repo/semantics/openAccessSociedad de Biología de ChileBiological Research v.41 n.4 20082008-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602008000400010en10.4067/S0716-97602008000400010
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Voluntary attention semantic processing Top down control ERP components
spellingShingle	Voluntary attention semantic processing Top down control ERP components ORTEGA,RODRIGO LÓPEZ,VLADIMIR ABOITIZ,FRANCISCO Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study
description	The present study explores the neural correlates of voluntary modulations of attention in an auditory-visual matching task. Visual stimuli (a female or a male face) were preceded in cióse temporal proximity by auditory stimuli consisting of the Spanish word for "man" and "woman" ("hombre" or "mujer"). In 80% of the triáis the gender of the two stimuli coincided. Participants were asked to mentally count the specific instances in which a female face appeared after hearing the word "man" (10 % of the triáis). Our results show attention-related amplitude modulation of the early visual ERP components NI and anterior P2, but also amplitude modulations of (i) the N270 potential usually associated with conflict detection, (ii) a P300 wave related to infrequency, and (iii) an N400 potential related to semantic incongruence. The elicitation of these latter components varied according to task manipulations, evidencing the role of voluntary allocation of attention in fine-tuning cognitive processing, which includes basic processes like detection of infrequency or semantic incongruity often considered to be volition-independent.
author	ORTEGA,RODRIGO LÓPEZ,VLADIMIR ABOITIZ,FRANCISCO
author_facet	ORTEGA,RODRIGO LÓPEZ,VLADIMIR ABOITIZ,FRANCISCO
author_sort	ORTEGA,RODRIGO
title	Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study
title_short	Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study
title_full	Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study
title_fullStr	Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study
title_full_unstemmed	Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study
title_sort	voluntary modulations of attention in a semantic auditory-visual matching task: an erp study
publisher	Sociedad de Biología de Chile
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602008000400010
work_keys_str_mv	AT ortegarodrigo voluntarymodulationsofattentioninasemanticauditoryvisualmatchingtaskanerpstudy AT lopezvladimir voluntarymodulationsofattentioninasemanticauditoryvisualmatchingtaskanerpstudy AT aboitizfrancisco voluntarymodulationsofattentioninasemanticauditoryvisualmatchingtaskanerpstudy
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Voluntary modulations of attention in a semantic auditory-visual matching Task: an ERP study

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