Hirohisa Kiguchi's research while affiliated with Miyagi Gakuin Women's University and other places

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Publications (1)

Fig. A· 1 An ECD localized at a parietal area for M3 from a representative subject.  
Fig. A· 2 An ECD localized at a temporal area for M3 from a representative subject.  
An MEG Study of Temporal Characteristics of Semantic Integration in Japanese Noun Phrases
  • Article
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June 2008

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IEICE Transactions on Information and Systems

Hirohisa Kiguchi

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Many studies of on-line comprehension of semantic violations have shown that the human sentence processor rapidly constructs a higher-order semantic interpretation of the sentence. What remains unclear, however, is the amount of time required to detect semantic anomalies while concatenating two words to form a phrase with very rapid stimuli presentation. We aimed to examine the time course of semantic integration in concatenating two words in phrase structure building, using magnetoencephalography (MEG). In the MEG experiment, subjects decided whether two words (a classifier and its corresponding noun), presented each for 66ms, form a semantically correct noun phrase. Half of the stimuli were matched pairs of classifiers and nouns. The other half were mismatched pairs of classifiers and nouns. In the analysis of MEG data, there were three primary peaks found at approximately 25ms (M1), 170ms (M2) and 250ms (M3) after the presentation of the target words. As a result, only the M3 latencies were significantly affected by the stimulus conditions. Thus, the present results indicate that the semantic integration in concatenating two words starts from approximately 250ms.

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