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開催日 2014/9/13
時間 14:00 - 15:00
会場 Poster / Exhibition(Event Hall B)

An influence that sense of incongruity gives to event-related potential

  • P3-258
  • 小田垣 佑 / Yu Odagaki:1 Sakuti Sakriani / Sakriani Sakuti:1 Neubing Graham / Graham Neubing:1 戸田 智基 / Tomoki Toda:1 中村 哲 / Satoshi Nakamura:1 
  • 1:奈良先端科学技術大学院大学 / Nara Institute Science and Technology 

Now that cognitive process of Language gradually revealed by comprehensive study, we have a chance to detect mismatch feelings by measuring brain activity. The effect of mismatched words on the sentence comprehension process has been studied for Western languages (Kutas et al., 1980). In a previous study, if a sentence has a word that violates semantic or world knowledge violation word, N400 ERP component appears soon after the reading the violation word (Hagort et al., 2004). In these studies, ERP analysis were based on a category of stimulation prepared in advance.

In this study, we presumed that the ERP response based on the subjectivity of the participant was different from that of subjectivity and the word of prepared category.
In these experiments, we presented three kinds of sentences as visual stimuli. The first ones were completely correct sentences, the next ones included a word that violated world knowledge, and the last ones included a word that violated semantics. Each sentence was split into segments. In the experiment, each segment was shown to participants for 0.5 seconds with 0.5 second intervals while in spoken stimuli experiment and 1 second intervals between the sentences. After reading each sentence, participants answered a questionnaire which evaluated sentence whether the sentence was correct or not. We calculated ERP results in ordinary way and based on result of questionnaires and compared with them.

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