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Researcher Information

last modified:2022/04/07

Associate Professor Yasunaga Daichi

Laboratory Website

Faculty, Affiliation

Faculty of Letters, Institute of Human and Social Sciences

College and School Educational Field

Division of Humanities, Graduate School of Human and Socio-Environmental Studies
Division of Human and Socio-Environment Studies, Graduate School of Human and Socio-Environmental Studies


Academic Background

【Academic background(Doctoral/Master's Degree)】
Kyushu University Doctor 201003 Completed


Year & Month of Birth

Academic Society



Linguistics、Cognitive science

Speciality Keywords

Research Themes



  •  Selective adaptation in sentence comprehension: Evidence from event-related brain potentials   Show less Masataka Yano, Shugo Suwazono, Hiroshi Arao, Daichi Yasunaga, Hiroaki Oishi  Quarterly Journal of Experimental Psychology 74 4 2021
  •  Syntactic and Semantic Processing in Japanese Sentence Reading: A Research Using Functional Near-Infrared Spectroscopy (fNIRS) Zhao, Licui, Haruyuki Kojima, Daichi Yasunaga, Koji Irie Journal of Psycholinguistic Research 2021
  •  Inter-Participant Variabilities and Sample Sizes in P300 and P600 Yano, Masataka, Shugo Suwazono, Hiroshi Arao, Hiroaki Oishi, Daichi Yasunaga  International Journal of Psychophysiology 2019
  •  Technical note: How to display Japanese characters on Psychtoolbox + GNU Octave Yasunaga, Daichi 2021
  •  Effects of Pattern Complexity on the Retrieval Stage of Visual Short-Term Memory in Relation to Autistic-Like Traits Takahashi, Junichi, Daichi Yasunaga, Jiro Gyoba Takahashi, Junichi, Daichi Yasunaga, Jiro Gyoba 2019

show all

  •  Similarities and Differences between Native and Non-Native Speakers' Processing of Formulaic Sequences: A Functional Near-Infrared Spectroscopy (fNIRS) Study Zhao, Liuci, Daichi Yasunaga, Haruyuki Kojima Journal of Psycholinguistic Research 2019
  •  Examining cortical activation for the primacy of syntactic over semantic processing in Japanese process: A study using near-infrared sprectroscopy Zhao, Licui, Daichi Yasunaga, Koji, Irie and Haruyuki Kojima Human and Socio-Environmental Studies 34 13-25 2018
  •  Are Event-Related Potentials Differentially Modulated by Syntactic Structure and Information Structure? Masatoshi Koizumi, Daichi Yasunaga Journal of Language Sciences 24 323-344 2017
  •  Event-Related Potential (ERP): Methods, Outcomes and Research Insights Yano, Masataka, Daichi Yasunaga, and Masatoshi Koizumi 2017
  •  Processing object-subject word order by L2 learners of German Yasunaga, Daichi and Ayane Sato Tohoku Psychologica Folia 75 2017
  •  “Prediction” Reverses the Processing Difficulty of Subject and Object Relative Clauses in Japanese Kyushu University Papers in Linguistics 36 2016
  •  Effects of sementic information and punctuation in processing Japanese garden-path sentences: Evidence from pupillary responses Niikuni, Keiyu, Daichi Yasunaga, Syoichi Iwasaki, Toshiaki Muramoto Tohoku Psychologica Folia 74 2015
  •  Is the subject-before-object preference universal? An event-related potential study in the Kaqchikel Mayan language Daichi Yasunaga, Masataka Yano, Yoshio Yasugi, Masatoshi Koizumi Language, Cognition and Neuroscience 2015
  •  Differences in the Efficiency of Pattern Encoding in Relation to Autistic-Like Traits: An Event-Related Potential Study Junichi Takahashi, Daichi Yasunaga, Jiro Gyoba Journal of Autism and Developmental Disorders 44 11 2014
  •  Reported Visual Imagery and Apparent Motion: An ERP Study Takahashi, Junichi and Daichi Yasunaga NeuroReport 23 2012
  •  On-line processing of floating quantifier constructions in Japanese: Using Event-related Brain Potentials YASUNAGA, Daichi and Tsutomu Sakamoto Journal of Japanese Linguistics 23 2007

Conference Presentations

  • Sentence processing cost caused by word order and context(conference:International Symposium on Issues in Japanese Psycholinguistics from Comparative Perspectives)(2021/09/11)


  •  Technical note: How to display Japanese characters on Psychtoolbox + GNU Octave Daichi Yasunaga 2021 
  •  Technical Note: How to install EEGLAB and Octave without MATLAB on a Mac Suwazono, Shugo and Daichi Yasunaga 2021 

Arts and Fieldwork


Theme to the desired joint research

Grant-in-Aid for Scientific Research

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

○Language and Cognition A2(2017)
○Linguistics A2(2017)
○Linguistics 2(2017)
○Linguistics 1(2017)
○Linguistics B1(2017)
○Linguistics A1(2017)
○Linguistics B2(2017)
○Cognitive Science of Human Nature(2017)
○Advanced Syntax(2017)
○Acoustic Phonetics(2017)
○Introduction to Linguistics 1(2017)
○Introduction to Linguistics 2(2017)
○Introduction to Syntax 2(2017)
○Seminar of Graduation thesis A(2017)
○Introduction to Syntax(2017)
○Seminar of Graduation thesis B(2017)
○Presentation and Debate (Freshman Seminar II)(2017)
○Language and Cognition A(2017)
○Common English 2(2017)
○Introduction to Linguistics 1(2017)
○Presentation and Debate (Freshman Seminar II)(2017)
○Introduction to Linguistics 2(2017)
○Acoustic Phonetics(2017)
○Theoretical Linguistics B2(2017)
○Theoretical Linguistics B1(2017)
○Introduction to Syntax 1(2017)
○Language and Cognition B(2017)
○Language and Cognition A1(2017)
○Language and Cognition B2(2017)
○Cognitive Science of Human Nature(2017)
○Freshman Seminar I(2017)
○Language and Cognition B1(2017)
○Introduction to Linguistics 1(2016)
○Introduction to Linguistics 2(2016)
○Linguistics 2(2016)
○Language and Cognition B(2016)
○Seminar of Graduation thesis B(2016)
○Acoustic Phonetics(2016)
○Advanced Phonology(2016)
○Seminar in theoretical Linguistics A(2016)
○Seminar of Graduation thesis A(2016)
○Common English 2(2016)
○Introduction to Humanity 1(2016)
○Introduction to Humanity A(2016)
○Linguistics 1(2016)
○Cognitive Science of Human Nature(2016)
○Language and Cognition A(2016)

Classes (Graduate Schools)

○Seminar on Experimental Method in Cognitive Science of Language II(2017)
○Experimental Method in Cognitive Science of Language I(2017)
○Seminar on Experimental Method in Cognitive Science of Language I(2017)
○Experimental Method in Cognitive Science of Language II(2017)
○Seminar in Linguistic Experiment(2016)
○Language Science(2016)
○Experiments in psycholinguistics 1(2016)
○Seminar on Experimental Method in Cognitive Science of Language II(2016)
○Experimental Method in Cognitive Science of Language I(2016)
○Language Science 2(2016)
○Seminar in Linguistic Experiment 2(2016)
○Seminar in Linguistic Experiment 1(2016)
○Language Science 1(2016)
○Seminar on Experimental Method in Cognitive Science of Language I(2016)
○Experiments in psycholinguistics(2016)
○Experimental Method in Cognitive Science of Language II(2016)
○Experiments in psycholinguistics 2(2016)

International Project

International Students

Lecture themes

Others (Social Activities)

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