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양전자방출단층촬영을 이용한 국어단어와 영어단어의 어의처리 신경매개체의 특성 비교

Other Titles
 Comparison of the Neural Substrates Mediating the Semantic Processing of Korean and English Words Using Positron Emission Tomography 
Authors
 김재진  ;  김명선  ;  조상수  ;  권준수  ;  이재성  ;  이동수  ;  정준기  ;  이명철 
Citation
 Korean Journal of Nuclear Medicine (대한핵의학회지), Vol.35(3) : 142-151, 2001 
Journal Title
Korean Journal of Nuclear Medicine(대한핵의학회지)
ISSN
 1975-129X 
Issue Date
2001
Keywords
Korean words ; English words ; language proficiensy ; Semantic processing ; 〔15O〕H2O PET ; Neural circuit
Abstract
Purpose: This study was performed to search the relatively specific brain regions related to the semantic processing of Korean and English words on the one hand and the regions common to both on the other. Materials and Methods: Regional cerebral blood flow associated with different semantic tasks was examined using [15O]H2O positron emission tomography in 13 healthy volunteers. The tasks consisted of semantic tasks for Korean words, semantic tasks for English words and
control tasks using simple pictures. The regions specific and common to each language were identified by the relevant subtraction analysis using statistical parametric mapping. Results: Common to the semantic processing of both words, the activation site was observed in the fusiform gyrus, particularly the left side. In addition, activation of the left inferior temporal gyrus was found only in the semantic processing of English words. The regions specific to Korean words were observed in multiple areas, including the right primary auditory cortex; whereas the regions specific to English words were limited to the right posterior visual area. Conclusion- Internal phonological process is engaged in performing the visual semantic task for Korean words of the high proficiency, whereas visual scanning plays an important role in performing the task for English words of the low proficiency.
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jae Jin(김재진) ORCID logo https://orcid.org/0000-0002-1395-4562
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/143033
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