The different P200 effects of phonological and orthographic syllable frequency in visual word recognition in Korean

Title
The different P200 effects of phonological and orthographic syllable frequency in visual word recognition in Korean
Author(s)
이윤형Nam, Kichun[Nam, Kichun]Kwon, Youan[Kwon, Youan]
Keywords
LEXICAL DECISION; READING ALOUD; SPANISH; FRENCH; ACTIVATION; CODE; TASK
Issue Date
201108
Publisher
ELSEVIER IRELAND LTD
Citation
NEUROSCIENCE LETTERS, v.501, no.2, pp.117 - 121
Abstract
The principal purpose of this study was to examine whether event-related potential (ERP) waveform amplitudes at around 200 ms are affected by first-syllable frequency. Another purpose of this study was to investigate whether the source of the amplitude at around 200 ms is phonological syllable frequency or orthographic syllable frequency. The phonological first-syllable frequency and the orthographic first-syllable frequency of Korean pseudo-words were manipulated, and ERPs were collected during a go/no-go lexical decision task. The results of this study showed that the P200 waveform is sensitive to the frequency of the first phonological syllable; specifically, pseudo-words with higher phonological first-syllable frequency produced a lower P200 amplitude than those with lower phonological first-syllable frequency. The orthographic syllable frequency did not affect the P200 waveform. The present result implies that there may be different routes by which phonological syllables and orthographic syllables are processed during the early stage of the visual word recognition process. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/24751http://dx.doi.org/10.1016/j.neulet.2011.06.060
ISSN
0304-3940
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문과대학 > 심리학과 > Articles
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