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Pseudohomophone effects provide evidence of early lexico-phonological processing in visual word recognition
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. ; Peer-reviewed ; Post-print
Keyword: Analysis of Variance; Brain; Brain Mapping; Computer-Assisted; Electroencephalography; Evoked Potentials; Female; Humans; Image Processing; Language Tests; Male; Neuropsychological Tests; Pattern Recognition; Reaction Time; Reading; Semantics; Task Performance and Analysis; Visual; Vocabulary; Young Adult
URL: http://onlinelibrary.wiley.com/doi/10.1002/hbm.20643/abstract
http://hdl.handle.net/2381/36358
https://doi.org/10.1002/hbm.20643
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2
Stimulus onset asynchrony and the timeline of word recognition: event-related potentials during sentence reading
Dambacher, Michael; Dimigen, O.; Braun, M.. - : Elsevier, 2016
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