Details of the Researcher
Research History 8
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2026/04 - PresentTohoku University Graduate School of International Cultural Studies Associate Professor
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2025/04 - 2026/03Hokkaido University Center for Human Nature, Artificial Intelligence, and Neuroscience Assistant professor
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2022/04 - 2025/03Japan Society for the Promotion of Science Postdoctoral research fellow
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2020/04 - 2025/03Waseda University
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2021/04 - 2022/03Tohoku University Graduate School of International Cultural Studies GSICS Fellow
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2020/04 - 2022/03独立行政法人国際交流基金 日本語試験センター 研究員
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2018/04 - 2020/03早稲田大学 Faculty of Letters, Arts, and Sciences Assistant professor (without tenure)
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2016/04 - 2018/03独立行政法人日本学術振興会 特別研究員DC2
Education 2
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Waseda University Graduate School of Letters, Arts and Sciences
2014/04 - 2018/03
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Waseda University Graduate School of Letters, Arts and Sciences
2012/04 - 2014/03
Professional Memberships 4
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Psychonomic Society
2016/05 - Present
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Cognitive Neuropsychology Society
2012/07 - Present
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THE JAPANESE PSYCHOLOGICAL ASSOCIATION
2012/04 - Present
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Association for Japanese Language Education
2022/12 - 2025/03
Research Interests 4
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cognitive psychology
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speech production
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word recognition
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psycholinguistics
Research Areas 1
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Humanities & social sciences / Experimental psychology / psycholinguistics
Awards 4
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最優秀発表賞
2024/09 第26回認知神経心理学研究会 LDAを用いた日本語”動物”意味構造モデルの構築
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大会若手優秀発表賞
2023/09 2023年度日本語教育学会春季大会 自然言語処理を用いた例文生成とその妥当性――日本語教師の支援を目的としたBERT・T5 を用いた文生成シミュレーション――
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Best Presentation Award
2023/03 Cognitive Neuropsychology Society An investigation of word recognition process of inverted stimuli
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Best Presentation Award
2017/08 Cognitive Neuropsychology Society The Effect of Script Types on Speech Production and Reading Aloud: An Implicit Priming Investigation
Papers 18
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Orthographic processing and lexical competition in Japanese scripts Invited Peer-reviewed
Masahiro Yoshihara, Mariko Nakayama
Springer Handbook of Nonlinear Writing Systems – Complex Processes and Learning Challenges 2025/12
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Orthographic neighbor priming effects in L2 english for Japanese-English bilinguals: a test of the lexical quality hypothesis
Hristina Petrović, Masahiro Yoshihara, Takumi Uchihara, Mariko Nakayama
Reading and Writing 2025/11/18
DOI: 10.1007/s11145-025-10728-7
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A Japanese LDA model for automatic clustering analysis of semantic verbal fluency tests Peer-reviewed
Masahiro Yoshihara, Yoshihiro Itaguchi
Behavior Research Methods 2025/06/30
DOI: 10.3758/s13428-025-02696-1
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No morphological connections between L2 past-tense and present-tense verbs for low-proficient bilinguals: Evidence from masked priming Peer-reviewed
Jessie Wanner-Kawahara, Masahiro Yoshihara, Stephen J. Lupker, Rinus G. Verdonschot, Mariko Nakayama
International Journal of Bilingualism 2025/01/30
Publisher: SAGE PublicationsDOI: 10.1177/13670069241311022
ISSN: 1367-0069
eISSN: 1756-6878
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Does rotation eliminate masked priming effects for Japanese kanji words? Peer-reviewed
Masahiro Yoshihara, Mariko Nakayama, Xue Junyi, Yasushi Hino
Cognition 246 105759-105759 2024/05
Publisher: Elsevier BVDOI: 10.1016/j.cognition.2024.105759
ISSN: 0010-0277
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Cognate translation priming with Chinese–Japanese bilinguals: No effect of interlingual phonological similarity. Peer-reviewed
Chuxin Liu, Jessie Wanner-Kawahara, Masahiro Yoshihara, Stephen J. Lupker, Mariko Nakayama
Journal of Experimental Psychology: Learning, Memory, and Cognition 49 (11) 1823-1843 2023/11
DOI: 10.1037/xlm0001240
ISSN: 0278-7393
eISSN: 1939-1285
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Morphological Priming Effects in L2 English Verbs for Japanese-English Bilinguals Peer-reviewed
Jessie Wanner-Kawahara, Masahiro Yoshihara, Stephen J. Lupker, Rinus G. Verdonschot, Mariko Nakayama
FRONTIERS IN PSYCHOLOGY 13 2022/07
DOI: 10.3389/fpsyg.2022.742965
ISSN: 1664-1078
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A Comparison of the Nature of Self-disclosure to Robots and Humans : Can You Talk Straight from the Gut with a Robot You Meet for the First Time? Peer-reviewed
大塚, 啓太, 吉原, 将大, 鵜口, 大志
Bulletin of human studies 11 71-83 2022/03
Publisher: 武蔵野大学通信教育部ISSN: 2186-7267
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Orthographic properties of distractors do influence phonological Stroop effects: Evidence from Japanese Romaji distractors International-journal Peer-reviewed
Masahiro Yoshihara, Mariko Nakayama, Rinus G. Verdonschot, Yasushi Hino, Stephen J. Lupker
Memory & Cognition 49 (3) 600-612 2021/04/06
Publisher: Springer Science and Business Media {LLC}DOI: 10.3758/s13421-020-01103-8
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The origins of backward priming effects in logographic scripts for four-character words Peer-reviewed
Yang, H., Hino, Y., Chen, J., Yoshihara, M., Nakayama, M., Xue, J., Lupker, S.J.
Journal of Memory and Language 113 104107-104107 2020
Publisher: Elsevier BVDOI: 10.1016/j.jml.2020.104107
ISSN: 0749-596X
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The Influence of Orthography on Speech Production: Evidence From Masked Priming in Word-Naming and Picture-Naming Tasks International-journal Peer-reviewed
Yoshihara, M., Nakayama, M., Verdonschot, R.G., Hino, Y.
Journal of Experimental Psychology: Learning Memory and Cognition 46 (8) 1570-1589 2020
DOI: 10.1037/xlm0000829
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Phonological priming effects with same-script primes and targets in the masked priming same-different task International-journal Peer-reviewed
Yang, H., Yoshihara, M., Nakayama, M., Spinelli, G., Lupker, S.J.
Memory and Cognition 49 (1) 148-162 2020
DOI: 10.3758/s13421-020-01080-y
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Phonologically-based priming in the same-different task with L1 readers Peer-reviewed
Lupker, S.J., Nakayama, M., Yoshihara, M.
Journal of Experimental Psychology: Learning Memory and Cognition 44 (8) 1317-1324 2018
DOI: 10.1037/xlm0000515
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The phonological unit of Japanese Kanji compounds: A masked priming investigation Peer-reviewed
Yoshihara, M., Nakayama, M., Verdonschot, R.G., Hino, Y.
Journal of Experimental Psychology: Human Perception and Performance 43 (7) 1303-1328 2017
DOI: 10.1037/xhp0000374
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Writing in the air: A visualization tool for written languages Peer-reviewed
Itaguchi, Y., Yamada, C., Yoshihara, M., Fukuzawa, K.
PLoS ONE 12 (6) e0178735. 2017
DOI: 10.1371/journal.pone.0178735
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An investigation of semantic activation effect of orthographic neighbors on visual word recognition
Masahiro Yoshihara
Waseda University 60 (1) 177-181 2015/06
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Effects of orthographic-phonological consistency and on/kun-readings in the naming of Japanese kanji words. Peer-reviewed
Ida, K, Yoshihara, M, Xue, J, Kusunose, Y, Sato, H, Hino, Y
The Japanese Journal of Cognitive Psychology 11 (2) 117-126 2014/08
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Word length effects for kana and kanji words in lexical decision tasks Peer-reviewed
Kusunose, Y, Yoshihara, M, Ida, K, Xue, J, Ijuin, M, Hino, Y
The Japanese Journal of Cognitive Psychology 11 (2) 105-115 2014/08
Misc. 1
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The Effect of Visual Degradation on Emotion Perception and Phoneme Perception
吉原将大, 山本寿子, 河原美彩子, 河原美彩子, 田中章浩
電子情報通信学会技術研究報告 119 (167) 7-12 2019/08
ISSN: 0913-5685
Books and Other Publications 1
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明日へ翔ぶ 人文社会学の新視点4
公益信託松尾金藏記念奨学基金
風間書房 2017/03
Presentations 17
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Lexical Access in Chinese-Japanese Bilinguals: An Investigation Using Psychological Experiments Invited
Masahiro Yoshihara
2024/11/07
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日本語話者を対象とした言語流暢性課題の解析――自然言語処理の技術を用いたアプローチ――
吉原将大, 大門正太郎, 板口典弘
第28回 認知神経科学会学術集会 2023/07/16
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深層学習モデルを用いた呼称課題における誤答分析(線画と語彙の特徴分析)の試み
浅川伸一, 大門正太郎, 橋本幸成, 高倉祐樹, 上間清司, 吉原将大
第44回日本高次脳機能障害学会学術総会
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Letter Position Coding Frexibility When Reading Logographic Scripts.
Lupker, S. J, Yang, H, Hino, Y, Yoshihara, M, Nakayama, M, Xue, J
The 60th Annual Meeting of the Psychonomic Society 2019/11/16
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音読課題におけるプライムの提示時間と先頭音プライミング効果
吉原将大, 薛俊毅, 日野泰志
第22回認知神経心理学研究会 2019/09/01
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カタカナ語の読みにおける形態素処理プロセス
吉原将大, 薛俊毅, 日野泰志
認知神経心理学研究会第21回大会 2018/10/06
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The Phonological Unit of Japanese: Evidence from Masked Priming Using Kanji. International-presentation
Yoshihara, M, Nakayama, M, Verdonschot, R. G, Hino, Y
ARWA 2nd Annual Conference 2018/02/22
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音読と発話における表記の影響 – 潜在的プライミング手法による研究
吉原将大, 中山真里子, Verdonschot R. G, 日野泰志
認知神経心理学研究会第20回大会 2017/08/20
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The Phonological Unit of Japanese Kanji Compounds: A Masked Priming Investigation. Invited
Masahiro Yoshihara
2017/06/14
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面接のための効果的なプレゼンテーション ―学振面接の事例を通して― Invited
吉原将大
第7回 Society for Tokyo Young Psychologists 2017/03/11
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潜在的プライミング・パラダイムによる音韻単位の検討
吉原将大
早稲田大学総合人文科学研究センター 「行動・社会・文化に関する多角的アプローチ」部門主催 2016年度第2回勉強会 2016/12/22
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The Influence of Consistency on the Masked Character-sound Priming Effect for Japanese Kanji Compounds.
Yoshihara, M, Hino, Y
The 19th Annual Meeting of the Cognitive Neuropsychology Society 2016/08/27
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日本語の音読・発話における機能的音韻単位の検討
吉原将大
早稲田大学総合人文科学研究センター 「行動・社会・文化に関する多角的アプローチ」部門主催 2016年度第1回勉強会 2016/07/21
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漢字三字熟語の出現頻度に対するファミリーサイズの効果の検討
水越陸太, 吉原将大, 薛俊毅, 井田佳祐, 松木祐馬, 瀧川諒子, 日野泰志
認知神経心理学研究会第18回大会 2015/08/08
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漢字熟語の音読における処理単位 -音読課題における語頭音プライミング効果-.
吉原将大, 中山真里子, Verdonschot R. G, 日野泰志
認知神経心理学研究会第18回大会 2015/08/08
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The word frequency of orthographic neighbors and the lexicality of targets modulate the turple effect. International-presentation
Yoshihara, M, Hino, Y
The 2014 East Asia Joint Symposium on Reading and Spelling 2014/02/22
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“Turple Effect”は出現頻度に規定されるか -視覚的単語認知における形態隣接語の意味活性化と出現頻度効果-
吉原将大, 日野泰志
認知神経心理学研究会第15回大会 2012/08/05
Research Projects 8
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視覚刺激の空間的変化が単語認知に及ぼす影響の解明
吉原 将大
Offer Organization: 日本学術振興会
System: 科学研究費助成事業 若手研究
Category: 若手研究
Institution: 東北大学
2022/04 - 2026/03
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第二言語としての日本語における語彙獲得プロセスの解明:語彙競合による検証
吉原 将大
Offer Organization: 日本学術振興会
System: 科学研究費助成事業
Category: 特別研究員奨励費
Institution: 東北大学
2023/03/08 - 2025/03/31
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Natural language processing approach for the effects of brain damages and aging on latent semantic structure
Itaguchi Yoshihiro
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Challenging Research (Exploratory)
2020/07/30 - 2023/03/31
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An investigation of the interaction between orthographic and phonological systems of the Japanese language
Yoshihara Masahiro
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Research Activity Start-up
2019/04/01 - 2022/03/31
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An investigation of the interaction between orthographic and phonological systems of the Japanese language Competitive
Masahiro Yoshihara
Offer Organization: Ministry of Education, Culture, Sports, Science and Technology
System: Grant-in-Aid for Research Activity start-up
2018/04 - 2019/03
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漢字表記語の音読における音韻情報の機能的単位 Competitive
吉原将大
Offer Organization: 日本学術振興会
System: 特別研究員DC2
Category: 特別研究員奨励費
Institution: 早稲田大学
2016/04 - 2018/03
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The interaction of cognition and bodily movements
Itaguchi Yoshihiro, Fukuzawa Kazuyoshi, Yoshihara Masahiro, Yamada Chiharu
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Young Scientists (B)
2015/04 - 2017/03
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The role of phonological information in the reading of Japanese kana and kanji words
Hino Yasushi, KUSUNOSE Yuu, IDA Keisuke, YOSHIHARA Masahiro
Offer Organization: Japan Society for the Promotion of Science
System: Grants-in-Aid for Scientific Research
Category: Grant-in-Aid for Scientific Research (C)
Institution: Waseda University
2012/04 - 2017/03
Teaching Experience 8
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知覚・認知心理学 目白大学
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心理学演習11F(卒論)・18F(卒論)・19F(卒論)・20F(卒論) 早稲田大学
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心理学演習1A/1B 早稲田大学
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一般実験演習IB 東京女子大学
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心の哲学・心の科学 早稲田大学
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心理学概論2 早稲田大学
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英語表現演習(初級) 立教大学
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英語文献購読演習(初級) 立教大学
Academic Activities 1
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Society for Tokyo Young Psychologists
2016/12 - Present
Activity type: Academic society, research group, etc.