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Title: Frequency and predictability effects on event-related potentials during reading
Authors: Dambacher, Michael
Kliegl, R.
Hofmann, M.
Jacobs, A. M.
First Published: 20-Mar-2006
Publisher: Elsevier
Citation: Brain Research, 2006, 1084 (1), pp. 89-103
Abstract: Effects of frequency, predictability, and position of words on event-related potentials were assessed during word-by-word sentence reading in 48 subjects in an early and in a late time window corresponding to P200 and N400. Repeated measures multiple regression analyses revealed a P200 effect in the high-frequency range; also the P200 was larger on words at the beginning and end of sentences than on words in the middle of sentences (i.e., a quadratic effect of word position). Predictability strongly affected the N400 component; the effect was stronger for low than for high-frequency words. The P200 frequency effect indicates that high-frequency words are lexically accessed very fast, independent of context information. Effects on the N400 suggest that predictability strongly moderates the late access especially of low-frequency words. Thus, contextual facilitation on the N400 appears to reflect both lexical and post-lexical stages of word recognition, questioning a strict classification into lexical and post-lexical processes.
DOI Link: 10.1016/j.brainres.2006.02.010
ISSN: 0006-8993
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2006 Published by Elsevier B.V. All rights reserved. This manuscript version is made available after the end of the embargo period under the CC-BY-NC-ND 4.0 license Deposited with reference to the publisher’s archiving policy available on the SHERPA/RoMEO website.
Appears in Collections:Published Articles, Dept. of Neuroscience, Psychology and Behaviour

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