Spatiotemporal brain activation pattern during word/picture perception by native Koreans.
The purpose of this study is to explore spatiotemporal brain activation patterns during perception of words from three different languages (Korean, English, Chinese) and pictures. Using 64 channel event-related potential (ERP) recording and source localization using distributed source model, we investigated, with high temporal resolution, whether similar or different spatiotemporal patterns of brain activation are involved in the perception of words of different languages and/or pictures. Experimental results seem to corroborate left hemispheric dominance in language processing, and temporal/spatial characteristics in word perception revealed by previous ERP and neuroimaging studies. Observed differences in spatial pattern of activation at specific time periods between English and Korean, and Korean and Chinese, could be explained in terms of required visual pattern analysis due to the orthographic characteristics of each language.
Kim
Kyung Hwan
KH
Department of Biomedical Engineering, College of Health Science, Yonsei University, 234 Maeji-ri, Heungup-myun, Wonju, Kangwon-do, 220-710, South Korea. khkim@ieee.org
Yoon
Hyo Woon
HW
Park
Hyun Wook
HW
D000328:Adult; D000704:Analysis of Variance; D001921:Brain / Q000502:physiology*; D001931:Brain Mapping / Q000379:methods*; D004569:Electroencephalography / Q000379:methods; D005260:Female; D006801:Humans; D007723:Korea; D008297:Male; D019303:Multilingualism; D013997:Time Factors; D014796:Visual Perception / Q000502:physiology*; D014936:Word Association Tests / Q000706:statistics & numerical data*