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A Study of Event-Related Brain Potentials in Children's Korean Sentence Comprehension

아동의 한국어 문장이해과정에 나타난 사건관련전위 연구

  • Choi, In-Hwa (Graduate School of Social Welfare, Myongji University) ;
  • Yi, Soon-Hyung (Department of Child Development and Family Studies, Seoul National University)
  • 최인화 (명지대학교 사회복지대학원) ;
  • 이순형 (서울대학교 아동가족학과)
  • Received : 2010.04.30
  • Accepted : 2010.12.04
  • Published : 2011.02.28

Abstract

The present study investigated the semantic and syntactic processes in Korean children's sentence comprehension by measuring event-related brain potentials(ERPs). The subjects were 18 right-handed, healthy native Korean children(1st graders), who were free from any hearing problems. While the children listened to the auditory sentence stimuli, ERPs were recorded with the electrodes mounted in a 'Quik-Cap' on the subject's head. The ERP data were recorded and analyzed using the NeuroScan 4.3 and EEGLABv6.03b programs. For statistical analyses, descriptive statistics, three-way repeated measures ANOVA, and t-tests were performed using a SPSS 15.0 PC program. The results indicated that semantic violations elicited a negativity (N400) ranging from 300 to 500 msec. For syntactic violations, children displayed a positivity (P600) ranging from 900 to 1,100 msec. The discovery of N400 and P600 in semantic and syntactic processes respectively, confirmed the suggestion that Indo-European and Korean languages share a common mechanism for sentence comprehension.

Keywords

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