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Title: Pseudohomophone effects provide evidence of early lexico-phonological processing in visual word recognition
Authors: Braun, M.
Hutzler, F.
Ziegler, J. C.
Dambacher, Michael
Jacobs, A. M.
First Published: 22-Aug-2008
Publisher: Wiley for Wiley-Liss
Citation: Human Brain Mapping, 2009, 30 (7), pp. 1977-1989
Abstract: Previous research using event-related brain potentials (ERPs) suggested that phonological processing in visual word recognition occurs rather late, typically after semantic or syntactic processing. Here, we show that phonological activation in visual word recognition can be observed much earlier. Using a lexical decision task, we show that ERPs to pseudohomophones (PsHs) (e.g., ROZE) differed from well-matched spelling controls (e.g., ROFE) as early as 150 ms (P150) after stimulus onset. The PsH effect occurred as early as the word frequency effect suggesting that phonological activation occurs early enough to influence lexical access. Low-resolution electromagnetic tomography analysis (LORETA) revealed that left temporoparietal and right frontotemporal areas are the likely brain regions associated with the processing of phonological information at the lexical level. Altogether, the results show that phonological processes are activated early in visual word recognition and play an important role in lexical access.
DOI Link: 10.1002/hbm.20643
ISSN: 1065-9471
eISSN: 1097-0193
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2008 Wiley-Liss, Inc. All rights reserved. This is the peer reviewed version of the following article: Braun, M., Hutzler, F., Ziegler, J. C., Dambacher, M. and Jacobs, A. M. (2009), Pseudohomophone effects provide evidence of early lexico-phonological processing in visual word recognition. Hum. Brain Mapp., 30: 1977–1989, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. 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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