The Neural Correlates of Semantic and Grammatical Encoding During Sentence Production in a Second Language: Evidence From an fMRI Study Using Structural Priming

Frontiers in Human Neuroscience

Human Neuroscience

Haruyo Yoshida¹  Eri Nakagawa²  Takahiko Koike²  Motofumi Sumiya³  Norihiro Sadato⁴  Koji Shimada⁵  Kai Makita⁵  Hirokazu Yokokawa⁶ 

[1] Department of English Education, Osaka Kyoiku University, Osaka, Japan;Department of System Neuroscience, National Institute for Physiological Sciences (NIPS), Okazaki, Japan;Department of System Neuroscience, National Institute for Physiological Sciences (NIPS), Okazaki, Japan;Department of Cognitive and Psychological Sciences, Graduate School of Informatics, Nagoya University, Nagoya, Japan;Research Fellow of the Japan Society for the Promotion of Science, Tokyo, Japan;Department of System Neuroscience, National Institute for Physiological Sciences (NIPS), Okazaki, Japan;Department of Physiological Sciences, School of Life Sciences, The Graduate University for Advanced Studies (SOKENDAI), Kanagawa, Japan;Biomedical Imaging Research Center (BIRC), University of Fukui, Fukui, Japan;Research Center for Child Mental Development, University of Fukui, Fukui, Japan;School of Languages and Communication, Kobe University, Hyogo, Japan;

关键词: L2 sentence production;    speaking;    fMRI;    repetition suppression;    priming;   

DOI  :  10.3389/fnhum.2021.753245

 received in 2021-08-04, accepted in 2021-12-21,  发布年份 2022

来源: Frontiers

【 摘 要 】

Japanese English learners have difficulty speaking Double Object (DO; give B A) than Prepositional Object (PO; give A to B) structures which neural underpinning is unknown. In speaking, syntactic and phonological processing follow semantic encoding, conversion of non-verbal mental representation into a structure suitable for expression. To test whether DO difficulty lies in linguistic or prelinguistic process, we conducted functional magnetic resonance imaging. Thirty participants described cartoons using DO or PO, or simply named them. Greater reaction times and error rates indicated DO difficulty. DO compared with PO showed parieto-frontal activation including left inferior frontal gyrus, reflecting linguistic process. Psychological priming in PO produced immediately after DO and vice versa compared to after control, indicated shared process between PO and DO. Cross-structural neural repetition suppression was observed in occipito-parietal regions, overlapping the linguistic system in pre-SMA. Thus DO and PO share prelinguistic process, whereas linguistic process imposes overload in DO.

【 授权许可】

Unknown   
Copyright © 2022 Nakagawa, Koike, Sumiya, Shimada, Makita, Yoshida, Yokokawa and Sadato.