Article (Scientific journals)
Is the N400 category-specific? A face and language processing study
Caldara, Roberto; Jermann, Françoise; López Arango, Gabriela et al.
2004In Neuroreport, 15 (17), p. 2589-2593
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Keywords :
Event-related potentials; Face processing; Language processing; N400; NI70; Source localization; LORETA inverse solution; N400 event related potential; Analysis of Variance; Brain Mapping; Cerebral Cortex; Electroencephalography; Evoked Potentials; Facial Expression; Humans; Pattern Recognition, Visual; Photic Stimulation; Semantics
Abstract :
[en] N400 event-related potential (ERP) components have been observed during semantic incongruity detection in language, face identity and/or expression. However, it is still unclear whether semantic processing is functionally equivalent, since no study has directly investigated within the same participants the occurrence of the N400s for language and faces. We recorded ERPs while subjects performed incongruity detection on words, facial identities and facial expressions, with conditions matched to involve context integration. N400s were identified on central-parietal electrodes only for language and face identity processing. Scalp topographies of these N400s differed but a LORETA inverse solution identified a common functional generator in the left lateral frontal cortex, suggesting a general role of this brain region in selecting and contextually integrating semantic information. © 2004 Lippincott Williams & Wilkins.
Disciplines :
Neurosciences & behavior
Author, co-author :
Caldara, Roberto;  F.P.S.E. University of Geneva, 40, bd du Pont d'Arve, 1211 Geneva 4, Switzerland
Jermann, Françoise;  F.P.S.E. University of Geneva, 40, bd du Pont d'Arve, 1211 Geneva 4, Switzerland
López Arango, Gabriela;  F.P.S.E. University of Geneva, 40, bd du Pont d'Arve, 1211 Geneva 4, Switzerland
Van der Linden, Martial ;  Université de Liège - ULiège > Département de Psychologie > Département de Psychologie
Language :
English
Title :
Is the N400 category-specific? A face and language processing study
Publication date :
2004
Journal title :
Neuroreport
ISSN :
0959-4965
eISSN :
1473-558X
Publisher :
Lippincott Williams & Wilkins, United States
Volume :
15
Issue :
17
Pages :
2589-2593
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 04 January 2020

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