Activation changes of the left inferior frontal gyrus for the factors of construction and scrambling in a sentence

Kyohei Tanaka, Shinri Ohta, Ryuta Kinno, Kuniyoshi L Sakai

研究成果: ジャーナルへの寄稿記事

抄録

Our previous functional magnetic resonance imaging (fMRI) studies have indicated that the left dorsal inferior frontal gyrus (L. dF3op/F3t) and left lateral premotor cortex (L. LPMC) are crucial regions for syntactic processing among the syntax-related networks. In the present study, we further examined how activations in these regions were modified by the factors of construction and scrambling (object-initial type). Using various sentence types, we clarified three major points. First, we found that the main effects of construction and scrambling consistently activated the L. dF3op/F3t and L. LPMC. Secondly, the main effects of scrambling clearly localized activation in the L. dF3op/F3t and L. LPMC, indicating the more narrowed down processing of syntax. Thirdly, step-wise percent signal changes were observed in the L. dF3op/F3t, demonstrating synergistic effects of construction and scrambling. These results demonstrate the abstract and intensive nature of syntactic processing carried out by these regions, i.e., the grammar center.

元の言語英語
ページ(範囲)511-522
ページ数12
ジャーナルProceedings of the Japan Academy Series B: Physical and Biological Sciences
93
発行部数7
DOI
出版物ステータス出版済み - 8 2 2017

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sentences
cortexes
Motor Cortex
Prefrontal Cortex
syntax
cortex
activation
grammars
magnetic resonance imaging
magnetic resonance
Magnetic Resonance Imaging

これを引用

Activation changes of the left inferior frontal gyrus for the factors of construction and scrambling in a sentence. / Tanaka, Kyohei; Ohta, Shinri; Kinno, Ryuta; Sakai, Kuniyoshi L.

:: Proceedings of the Japan Academy Series B: Physical and Biological Sciences, 巻 93, 番号 7, 02.08.2017, p. 511-522.

研究成果: ジャーナルへの寄稿記事

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