Profiles
Professor KOIZUMI Masatoshi
Affiliations :
- Graduate School Faculty of Arts and Letters
- Division of Department of Integrated Human Sciences
- Psychology and Linguistics Course
- Department of Linguistics
- Research, History
- Books, papers, etc.
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- Courses
- Modern Linguistics (General Lecture); Linguistics (Advanced Seminar); Interlinguistics (Seminar); Linguistics Analysis (Advanced Seminar); Sign Language Basics
- Personal History
- B.A., International Christian University; M.A., The Ohio State University; Ph.D. in Linguistics, Massachusetts Institute of Technology (MIT). After serving as Lecturer and Associate Professor at Tohoku Gakuin University and as Associate Professor at Tohoku University, he assumed his current position.
- Degree
- Ph.D.
- Field
- Cognitive Neuroscience of Language
- Research Subject
- Pseudo-Dynamic Preservation of Endangered Languages and Elucidation of Neural Processing through a Physiologically Annotated Natural Discourse Corpus
- Keywords
- word order, syntactic structure, sentence processing load, event cognition, Mayan languages, Kaqchikel, Austronesian languages, Truku, Tongan, fMRI, NIRS, EEG, event-related potentials (ERPs), magnetoencephalography (MEG), eye tracking
- Affiliation
- Linguistic Society of Japan, Linguistic Society of America
- Database of Researchers Information
- https://www.r-info.tohoku.ac.jp/ja/21f32d719e7ab40ef963d380bc73c6f1.html
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- Books
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Constituent Order in Language and Thought. Cambridge University Press.
Phrase Structure in Minimalist Syntax. Hituzi Syobo.
Issues in Japanese Psycholinguistics from Comparative Perspectives, Vols. 1–2. De Gruyter Mouton. (Editor)
『文の構造』研究社(共著)
『ここから始める言語学プラス統計分析』共立出版(編著)
- Academic Papers
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1. Asami, D., T. Naoe, M. Makuuchi, and M. Koizumi. (2026). Unified Brain Mechanisms Underlying the Processing of Word Order Permutations of Arguments and Adjuncts in Sentences. Human Brain Mapping 47, no. 11.
2. Emura, R., Kawachi, Y., Sugawara, S., & Koizumi, M. (2025). The lingering effect as memory persistence has distinct predictors from the garden-path effect. Journal of Experimental Psychology: Learning, Memory, and Cognition.
3. Jeong, H., Kim, J., Yano, M., Cui, H., Kiayama, S., & Koizumi, M. (2025). The crucial role of the left inferior frontal gyrus (BA44) in synergizing syntactic structure and information structure during sentence comprehension. Brain and Language, 262, 105533.
4. Sugimoto, Y., Yoshida, R., Jeong, H., Koizumi, M., Brennan, J. R., & Oseki, Y. (2024). Localizing syntactic composition with left-corner recurrent neural network grammars. Neurobiology of Language, 5(1), 201-224.
5. Yano, M., Niikuni, K., Shimura, R., Funasaki, N., & Koizumi, M. (2025). Producing non-basic word orders in (in) felicitous contexts: evidence from pupillometry and functional near-infrared spectroscopy (fNIRS). Language, Cognition and Neuroscience, 40(1), 1-22.
6. Tamaoka, K., Yu, S., Zhang, J., Otsuka, Y., Lim, H., Koizumi, M., & Verdonschot, R. G. (2024). Syntactic structures in motion: Investigating word order variations in verb-final (Korean) and verb-initial (Tongan) languages. Frontiers in Psychology, 15, 1360191.
7. Koizumi, M., Takeshima, Y., Tachibana, R., Asaoka, R., Saito, G., Niikuni, K., & Gyoba, J. (2020). Cognitive loads and time courses related to word order preference in Kaqchikel sentence production: an NIRS and eye-tracking study. Language, Cognition and Neuroscience, 35(2), 137-150.
8. Koizumi, M., & Kim, J. (2016). Greater left inferior frontal activation for SVO than VOS during sentence comprehension in Kaqchikel. Frontiers in psychology, 7, 1541.
9. Koizumi, M., Yasugi, Y., Tamaoka, K., Kiyama, S., Kim, J., Sian, J. E. A., & Mátzar, L. P. O. G. (2014). On the (non) universality of the preference for subject-object word order in sentence comprehension: A sentence-processing study in Kaqchikel Maya. Language, 90(3), 722-736.
10. Koizumi, M., & Tamaoka, K. (2010). Psycholinguistic evidence for the VP-internal subject position in Japanese. Linguistic inquiry, 41(4), 663-680.
- Awards
- Leonard Bloomfield Book Award (Linguistic Society of America, 2025)

