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  Rapid interactions between lexical semantic and word form analysis during word recognition in context: Evidence from ERPs

Kim, A., & Lai, V. T. (2012). Rapid interactions between lexical semantic and word form analysis during word recognition in context: Evidence from ERPs. Journal of Cognitive Neuroscience, 24, 1104-1112. doi:10.1162/jocn_a_00148.

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 Urheber:
Kim, Albert1, Autor
Lai, Vicky T.2, Autor           
Affiliations:
1Institute of Cognitive Science and Department of Psychology and Neuroscience University of Colorado at Boulder, ou_persistent22              
2Neurobiology of Language Department, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_792551              

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 Zusammenfassung: We used event-related potentials (ERPs) to investigate the timecourse of interactions between lexical-semantic and sub-lexical visual word-form processing during word recognition. Participants read sentence-embedded pseudowords that orthographically resembled a contextually-supported real word (e.g., “She measured the flour so she could bake a ceke …”) or did not (e.g., “She measured the flour so she could bake a tont …”) along with nonword consonant strings (e.g., “She measured the flour so she could bake a srdt …”). Pseudowords that resembled a contextually-supported real word (“ceke”) elicited an enhanced positivity at 130 msec (P130), relative to real words (e.g., “She measured the flour so she could bake a cake …”). Pseudowords that did not resemble a plausible real word (“tont”) enhanced the N170 component, as did nonword consonant strings (“srdt”). The effect pattern shows that the visual word recognition system is, perhaps counterintuitively, more rapidly sensitive to minor than to flagrant deviations from contextually-predicted inputs. The findings are consistent with rapid interactions between lexical and sub-lexical representations during word recognition, in which rapid lexical access of a contextually-supported word (CAKE) provides top-down excitation of form features (“cake”), highlighting the anomaly of an unexpected word “ceke”.

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Sprache(n): eng - English
 Datum: 20102011-09-1920112012
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1162/jocn_a_00148
 Art des Abschluß: -

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Titel: Journal of Cognitive Neuroscience
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Cambridge, MA : MIT Press Journals
Seiten: - Band / Heft: 24 Artikelnummer: - Start- / Endseite: 1104 - 1112 Identifikator: ISSN: 0898-929X
CoNE: https://pure.mpg.de/cone/journals/resource/991042752752726