Journal of Biomedical Engineering Research (대한의용생체공학회:의공학회지)
- Volume 29 Issue 6
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- Pages.477-483
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- 2008
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- 1229-0807(pISSN)
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- 2288-9396(eISSN)
DOI QR Code
N400 Event-related Potential and Gamma Band Activities during Visual Perception of Korean/English Words
한글 및 영어 단어의 시각적 인지 시 N400 사건관련 뇌전위 및 감마대역 활성화
- Yoon, Jin (Department of Biomedical Engineering, College of Health Science, Yonsei University) ;
- Choi, Jung-Woo (Department of Biomedical Engineering, College of Health Science, Yonsei University) ;
- Kim, Ja-Hyun (Department of Biomedical Engineering, College of Health Science, Yonsei University) ;
- Kim, Kyung-Hwan (Department of Biomedical Engineering, College of Health Science, Yonsei University)
- 윤진 (연세대학교 보건과학대학 의공학부) ;
- 최정우 (연세대학교 보건과학대학 의공학부) ;
- 김자현 (연세대학교 보건과학대학 의공학부) ;
- 김경환 (연세대학교 보건과학대학 의공학부)
- Published : 2008.12.31
Abstract
The observations of difference and similarity in brain activities involved in processing different languages have fundamental importance in cognitive neuroscience. The purpose of this study was to investigate the difference and similarity in temporal brain activation patterns due to the language difference during visual perception of Korean and English words under priming. Especially, we tried to find the difference in evoked spectral power in gamma-band, which is known to reflect feature binding. The stimulation was visually presented as word pairs belonging to same or different categories so that N400 event-related potential(ERP) was evoked. Average ERP analysis and spectral analysis of gamma-band activity(GBA) were performed on 12 normal Korean subjects. Several ERP components such as P1, N1, N400, and P600 could be identified consistently, and the differences in N1, N400, and P600 were observed. From the spectral analysis, we found that the evoked GBA(eGBA) was significantly larger for English at
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