Educational Background / 学歴

• 2022 – 2025　Ph.D. (Letters), Kyoto University, Japan

  • Topic: Developmental Psychology

  • Thesis: 子どもにおける反応的な攻撃行動の認知的基盤 (Cognitive Basis of Reactive Aggressive Behavior in Children) https://doi.org/10.14989/doctor.k25734 

  • Advisor: Dr. Yusuke Moriguchi

• 2020 – 2022　M.A. (Letters), Kyoto University, Japan

  • Topic: Developmental Psychology

  • Thesis: 子どもの敵意帰属バイアスに関する検討 (Hostile Intent Attribution in Children) 

  • Advisor: Dr. Yusuke Moriguchi

• 2015 – 2020　B.A. (Environment and Information Studies), Keio University, Japan

  • Topic: Developmental Psychology

  • Thesis: 幼児期における創造的な類推について (Abduction Skills During Early Childhood)

  • Advisor: Dr. Mutsumi Imai

Academic Experiences / 経歴

• 2025 – Present　Research Fellow for Young Scientists (PD)

  • Funder: Japan Society for the Promotion of Science (JSPS)

  • Host: Dr. Yusuke Moriguchi (Kyoto University)

• 2024 – 2025　Research Fellow for Young Scientists (DC2)

  • Funder: Japan Society for the Promotion of Science (JSPS)

  • Host: Dr. Yusuke Moriguchi (Kyoto University)

• 2022 – 2024　SPRING Fellow

  • Funder: Division of Graduate Studies, Kyoto University

  • Host: Dr. Yusuke Moriguchi (Kyoto University)

Publications / 出版物

JOURNAL ARTICLES (ENGLISH)

1. Yamamoto, N., & Moriguchi, Y. (2025). Hostile Cognitions and Aggressive Responses Toward Excluders in Young Children. Journal of Interpersonal Violence. https://doi.org/10.1177/08862605251336346 

2. Yamamoto, N., Kuwamizu, R., & Moriguchi, Y. (2025). Hostile cognitions and emotions following social exclusion in Japanese adults and young children. Journal of Experimental Child Psychology. https://doi.org/10.1016/j.jecp.2025.106200 

3. Yamamoto, N., Ohigashi, S., Todo, N., & Moriguchi, Y. (2023). The Relationship Between Hostile Intent Attribution and Aggression in Japanese Children. Child Psychiatry and Human Development. https://doi.org/10.1007/s10578-023-01623-9 

4. *Hagihara, H., *Yamamoto, N., Meng, X., Sakata, C., Wang, J., Watanabe, R. & Moriguchi, Y. (2022). COVID-19 school and kindergarten closure relates to children’s social relationships: a longitudinal study in Japan. Scientific Reports, 12(814). https://doi.org/10.1038/s41598-022-04944-2 *equal contribution.

JOURNAL ARTICLES (JAPANESE)

1. 池田寛香, 倪楠, 山本希, 楠見孝. (2025). なつかしさに自己不連続性が与える影響—Sedikides, Wildschut, Routledge, & Arndt（2015）の概念的追試— (The influence of self-discontinuity on nostalgia: A conceptual replication of Sedikides, Wildschut, Routledge, & Arndt (2015)). The Japanese Journal of Cognitive Psychology, 22(2), 125–144.  https://doi.org/10.5265/jcogpsy.22.125 

2. 森口佑介, 王珏., 坂田千文, 孟憲巍, 萩原広道, 山本希, 渡部綾一. (2022). 新型コロナウィルスによるパンデミック下の社会性発達に関する横断的・縦断的検討 (Cross-Sectional and Longitudinal Studies of Social Development During the COVID-19 Pandemic). The Japanese Journal of Developmental Psychology, 33(4), 325–331. https://cir.nii.ac.jp/crid/1520013663278499328 

Conference Presentations (English) / 国際学会発表

POSTERS 

1. Yamamoto, N., & Moriguchi, Y. (May 1–3, 2025). Hostile Cognitions and Aggressive Responses Toward Social Excluders in Japanese Preschoolers. 2025 SRCD Biennial Meeting, Minneapolis, Minnesota, USA.

2. Yamamoto, N., & Moriguchi, Y. (July 29–August 2, 2024). Emotional Responses and Hostile Thoughts After Social Exclusion in Japanese Adults and Children. ISRA WORLD MEETING 2024 (ISRA2024), Munich, Germany.

3. Yamamoto, N., & Moriguchi, Y. (January 4–6, 2024). The Effects of Experiencing Social Exclusion on Hostile Thoughts in Young Children. 14th Annual Budapest CEU Conference on Cognitive Development (BCCCD) Meeting 2024, Budapest, Hungary.

4. Yamamoto, N., Ohigashi, S., Todo, N., & Moriguchi, Y. (March 23–25, 2023). The Correlation and Mediation Relationship Between Hostile Intent Attribution and Aggression in Japan. 2023 SRCD Biennial Meeting, Salt Lake City, Utah, USA.

Conference Presentations (Japanese) / 国内学会発表

ORAL

1. 山本希. (March 5–7, 2022). 子どもの敵意帰属バイアスと攻撃行動の関連について (The Relationship Between Hostile Attribution Bias and Aggressive Behavior in Children). The 33rd Annual Meeting for the Japan Society of Developmental Psychology, Online.

POSTERS

1. 大谷康太, 渡部綾一, 桑水隆多, 山本希, 森口佑介. (September 5–7, 2025). 子どもの内なる言葉、どう測るか メンタルカウンティング課題を通じた内言の客観的測定とその発達過程の検討 (Measuring Children's Inner Speech: Objective Measurement of Inner Speech Through Mental Counting Tasks and Examination of Its Developmental Process). The 89th Annual Convention of the Japanese Psychological Association, Miyagi, Japan.

2. 山本希, 森口佑介. (March 4–6, 2025). 5-6歳児における社会的排除者への敵対的認知と攻撃行動 (Hostile cognition and aggressive behavior toward social excluders in 5-6 year olds). The 36th Annual Meeting for the Japan Society of Developmental Psychology, Tokyo, Japan.

3. 山本希, 桑水隆多, 森口佑介. (September 6–8, 2024). 社会的排除経験がのちの敵対的認知および感情に及ぼす影響 日本の成人および幼児を対象とした検討 (The Effects of Social Exclusion on Later Hostile Cognition and Emotions in Japanese Adults and Children). The 88th Annual Convention of the Japanese Psychological Association, Kumamoto, Japan. [Special Presentation Award (特別優秀発表賞)]

4. 桑水隆多, 大谷康太, 山本希, 森口佑介. (September 6–8, 2024). 内言と外言で瞳孔応答は異なるか 若齢成人を対象としたカウンティングタスクによる検討 (Do pupil responses differ between internal and external speech? An examination using a counting task in young adults). The 88th Annual Convention of the Japanese Psychological Association, Kumamoto, Japan. [Special Presentation Award (特別優秀発表賞)]

5. 桑水隆多, 山本希, 森口佑介. (August 24, 2024). ３〜６歳児における実行機能発達と前頭前野機能的特化: 切り替え課題DCCSを用いたfNIRS研究 (Development of Executive Function and Prefrontal Functional Specialization in 3- to 6-year-old children: a fNIRS study using the DCCS switching task). The 24th Annual Meeting of the Japanese Society of Baby Science, Tokyo, Japan.

6. 山本希, 梶田美晴, 金沢星慶, 森口佑介. (August 5–6, 2023). 子どもと成人における報酬への主観的評価の検討 (The Subjective Values for Rewards in Children and Adults). The 23rd Annual Meeting of the Japanese Society of Baby Science, Osaka, Japan.

7. 山本希, 大東将, 森口佑介. (September 8–10, 2022). 学童期の子どもにおける表情解釈と敵意帰属バイアスおよび攻撃性の関連 (The Relationship between Interpretation of Ambiguous Facial Expressions, Hostile Intent Attribution and Aggression in School-Aged Children). The 39th Annual Meeting of Japanese Cognitive Science Society, Online.

8. 山本希, 大東将, 森口佑介. (June 12–13, 2021). 日本の子どもにおける敵意帰属バイアスと攻撃性の関連 (The Relationship Between Hostile Attribution Bias and Aggression in Japanese Children). The 21st Annual Meeting of the Japanese Society of Baby Science, Online.

9. 山本希, 今井むつみ. (September 17–19, 2020). 仮説形成に関わる類推能力の発達 (The Development of Analogical Skills in Abduction). The 37th Annual Meeting of Japanese Cognitive Science Society, Online.

Academic Activities (Japanese) / 学術貢献活動

• 2025 – Present　Member of the executive committee, Early Career Researchers Association in Japanese Cognitive Science Society (運営委員, 認知科学若手の会) [link]

• 2024 – Present　Chair, Japanese Society of Developmental Psychology for Early-Career Researchers (代表, 発達心理若手分科会) [link]

  • Organization of a workshop for grant writing (Feb 18, 2025)

  • Organization of a roundtable for early-career researchers majoring in developmental psychology (Mar 5, 2025)

  • Organization of academic seminars (Jun 5, 2025. Jul 26-27, 2025. Jul 31, 2025) and workshop (Nov 8, 2025)

• 2022 – 2025　Vice-Chair, Early Career Researchers Association in Japanese Cognitive Science Society (副代表, 認知科学若手の会) [link]

  • Organization of academic meetings for early-career researchers majoring in cognitive science (Oct 29, 2022. Jun 17, 2023. Oct 21, 2023. Dec 2, 2023. Feb 21, 2024. Nov 9, 2024. Feb 17, 2025)

Fundings / 資金

• 2025 – Present　Joint Usage / Joint Research program at ARIHHP (100,000 JPY) 

  • Funder: Advanced Research Initiative for Human High Performance, University of Tsukuba

• 2024 – Present　Grant-in-Aid for JSPS Research Fellows (1,500,000 JPY)

  • Funder: Japan Society for the Promotion of Science (JSPS)

• Mar, 2023　SRCD Graduate Student Travel Award (300 USD) 

  • Funder: 2023 SRCD Biennial Meeting

• 2022 – 2024　Support for Pioneering Research Initiated by the Next Generation (800,000 JPY) 

  • Funder: Division of Graduate Studies, Kyoto University (DoGS SPRING)

Awards / 受賞

1. 山本希, 桑水隆多, 森口佑介. (December 2024). Special Presentation Award (特別優秀発表賞), The 88th Annual Convention of the Japanese Psychological Association.

2. 桑水隆多, 大谷康太, 山本希, 森口佑介. (December 2024). Special Presentation Award (特別優秀発表賞), The 88th Annual Convention of the Japanese Psychological Association.

3. Yamamoto, N. (March 2023). SRCD Graduate Student Travel Award, 2023 SRCD Biennial Meeting.

Teaching Experiences / 担当経験のある科目

• 2025　Part-time Lecturer (Kyoto University)

  • Class: 心理学講読 (Psychology Seminar)

• 2023　Part-time Lecturer (Kyoto University of Arts)

  • Class: 教育心理学 (Educational Psychology)

• 2021, 2022　Teaching Assistant (Kyoto University)

  • Class: ILASセミナー ：こころの未来セミナー“行動と脳とこころをつなぐ実験心理学” (ILAS Seminar: Kokoro seminar "Experimental Psychology Bridging Behavior, Brain and Mind")

Professional Memberships / 所属学会

• 2025 – Present　International Society for Research on Aggression (ISRA)

• 2024 – Present　The Japanese Psychological Association (JPA)

• 2023 – Present　Japan Society of Developmental Psychology (JSDP)

• 2022 – Present　Society for Research in Child Development (SRCD)

• 2020 – Present　Japanese Cognitive Science Society (JCSS)

Skills / スキル

• Language: Japanese (native), English (intermediate)

• Programming: R (intermediate), HTML (basic), JavaScript (basic), CSS (basic)

• Software: PsychoPy (intermediate), Adobe Illustrator (intermediate), Adobe Photoshop (basic)

Papers in process / 進行中の論文

• Otani, K., Watanabe, R., Kuwamizu, R., Yamamoto, N., & Moriguchi, Y. (under review)
  preprint doi: 10.2139/ssrn.5277036 

• Yamamoto, N., Kajita, M., Kanazawa, H., & Moriguchi, Y. (in-principle acceptance)

• 山本希. (under review)