4.7 Article

An ERP Study on the Role of Phonological Processing in Reading Two-Character Compound Chinese Words of High and Low Frequency

Journal

FRONTIERS IN PSYCHOLOGY
Volume 12, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fpsyg.2021.637238

Keywords

Chinese word recognition; homophonic; N400; P200; word frequency

Funding

  1. Major Program of the National Natural Science Foundation of China [62036001]

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The study found that in reading, low-frequency words induced a greater P200 component than high-frequency words in both semantic and phonological tasks. Homophones in the semantic task and semantically-related words in the phonological task elicited a smaller N400 than the control condition, word frequency-independently. However, in the phonological task, semantically related pairs of low-frequency words released a significantly larger P200 than the control condition.
Unlike in English, the role of phonology in word recognition in Chinese is unclear. In this event-related potential experiment, we investigated the role of phonology in reading both high- and low-frequency two-character compound Chinese words. Participants executed semantic and homophone judgment tasks of the same precede-target pairs. Each pair of either high- or low-frequency words were either unrelated (control condition) or related semantically or phonologically (homophones). The induced P200 component was greater for low- than for high-frequency word-pairs both in semantic and phonological tasks. Homophones in the semantic judgment task and semantically-related words in the phonology task both elicited a smaller N400 than the control condition, word frequency-independently. However, for low-frequency words in the phonological judgment task, it was found that the semantically related pairs released a significantly larger P200 than the control condition. Thus, the semantic activation of both high- and low-frequency words may be no later than phonological activation.

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