Activation changes of the left inferior frontal gyrus for the factors of construction and scrambling in a sentence
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- TANAKA Kyohei
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo
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- OHTA Shinri
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo
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- KINNO Ryuta
- Division of Neurology, Department of Internal Medicine, Showa University School of Medicine
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- SAKAI Kuniyoshi L.
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo
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Abstract
<p>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.</p>
Journal
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- Proceedings of the Japan Academy, Series B
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Proceedings of the Japan Academy, Series B 93 (7), 511-522, 2017
The Japan Academy
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Details 詳細情報について
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- CRID
- 1390282679121518080
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- NII Article ID
- 130005881857
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- NII Book ID
- AA00785485
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- ISSN
- 13492896
- 03862208
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- NDL BIB ID
- 028478543
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- PubMed
- 28769020
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed