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Updated: Aug 14, 2026

Dissociation of the Confounding Influences of Expectancy and Integrative Difficulty Residing in Anomalous Sentences in Event-related Potential Studies
Published on: May 9, 2019
Brain activation during the course of sentence comprehension
Naho Ikuta1, Motoaki Sugiura, Yuko Sassa
1LBC Research Center, Tohoku University 21st Century of Excellence Program in Humanities, Sendai, Japan. ikuta@idac.tohoku.ac.jp
Abstract:
The purpose of this study is to determine, by functional magnetic resonance imaging, how the activated regions of the brain change as a Japanese sentence is presented in a grammatically correct order. In this study, we presented constituents of a sentence to Japanese participants one by one at regular intervals. The results showed that the left lingual gyrus was significantly activated at the beginning of the sentence, then the left inferior frontal gyrus and left supplementary motor area, in the middle of the sentence, and the left inferior temporal gyrus, at the end of the sentence. We suggest that these brain areas are involved in sentence comprehension in this temporal order.
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