KUWAMIZU Ryuta

Affiliation
Institute of Health and Sport Sciences
Official title
Assistant Professor
ORCID
0000-0001-9659-3506
Research keywords
Dopaminergic system
Brain noradrenergic system
Aerobic fitness
Prefrontal cortex
Executive function
fNIRS
Eye blink
Arousal states
Prefrontal Cortex Development in Early Childhood
Pupil exercise response
more...
Research projects
Elucidation of the determination mechanism of pupil dilation by exercise2024-04 -- 2027-03KUWAMIZU RyutaJapan Society for the Promotion of Science (JSPS)/Grant-in-Aid for Early-Career Scientists4,680,000Yen
Does eye-related measure predict the beneficial effects of exercise on mental health?2021-04 -- 2023-01Ryuta KUWAMIZUThe Meiji Yasuda Life Foundation of Health and Welfare/Research-Aid1,000,000Yen
Physiological mechanisms for mild-exercise-enhanced executive function: the involvement of brain dopaminergic system2020-04 -- 2023-03KUWAMIZU RyutaJapan Society for the Promotion of Science/Grants-in-Aid for Scientific Research Grant-in-Aid for JSPS Fellows2,500,000Yen
ランニング時の瞳孔動態、その生理的意義：速度依存的な瞳孔拡大パターンに着目して2023-06 -- 2024-03KUWAMIZU RyutaUniversity of Tsukuba/2023 年度 国立大学法人筑波大学体育系 ヒューマン・ハイ・パフォーマンス先端研究センター（ARIHHP） 学外公募
Does "eye metrics" predict exercise-induced-brain fatigue?2023-06 -- 2024-03Ryuta KUWAMIZU/2023 年度新潟医療福祉大学 共同研究・共同利用
Does exercise enhance executive function in young children: Neuroimaging study focusing on the neural pathways of a curiosity-seeking2023-04 -- 2026-03KUWAMIZU RyutaJapan Society for the Promotion of Science/Grants-in-Aid for Scientific Research Grant-in-Aid for JSPS Fellows4,290,000Yen
Elucidation of the determination mechanism of pupil dilation by exercise2024-04 -- 2027-03KUWAMIZU RyutaJapan Society for the Promotion of Science/Grant-in-Aid for Early-Career Scientists4,680,000Yen
Career history
2020-04 -- 2023-03University of TsukubaGraduate School of Comprehensive Human Sciences日本学術振興会特別研究員（DC1）
2023-04 -- 2023-09Kyoto UniversityGraduate School of Letters日本学術振興会特別研究員（PD）
2023-04 -- (current)Kyoto University of the Arts芸術教養センター非常勤講師
2023-04 -- 2024-04University of TsukubaFaculty of Health and Sport Sciences客員研究員
2023-10 -- (current)Kyoto UniversityGraduate School of Letters特定研究員（日本学術振興会特別研究員PD）
2024-04 -- (current)University of TsukubaFaculty of Health and Sport SciencesAssistant Professor
Academic background
2014-04 -- 2018-03Yokohama City University International College of Arts and Sciences 運動スポーツ科学教室
2018-04 -- 2020-03University of Tsukuba Graduate School of Comprehensive Human Sciences Master's Degree Program
2020-04 -- 9999University of Tsukuba Graduate School of Comprehensive Human Sciences Doctor's Degree Program
Degree
2018-03BS (International Liberal Arts)Yokohama City University
2020-03MSc (Health and Sports science)University of Tsukuba
2023-03Ph.D. (Physical Education, Health and Sports science)University of Tsukuba
Academic societies
2017-01 -- (current)日本卓球療法協会
2018-08 -- (current)Japanese Society of Physical Fitness and Sports Medicine
2019-11 -- (current)American College of Sports Medicine
2021-01 -- (current)The Japanese Society for Neurochemistry
2023-03 -- (current)European College of Sport Science
Honors & Awards
2024-09若手最優秀発表賞, 第6回スポーツニューロサイエンス研究会
2024-12特別優秀発表賞, 日本心理学会学術大会
2019-09Travel Award
2022-03功労賞
2023-03President's Award
2023-03Meikeikai Award
Articles
  • Does acute virtual reality exergaming enhance mood and executive function?: An exploratory crossover trial (Preprint)
    Ochi Genta; Kuwamizu Ryuta; Fujimoto Tomomi; Ikarashi ...
    JMIR Serious Games, 2022-03-23
  • Pupil dynamics predict exercise brain stimulation: An overview of exercise pupillometry
    Kuwamizu Ryuta; Yamazaki Yudai; Suwabe Kazuya; Soya H...
    OSF, 2025-04
  • 運動生理学における瞳孔測定の意義
    桑水 隆多
    Medical Science Digest/50(13)/pp.52-53, 2024-11
  • Enhanced cardiac vagal activity and mood after low-dose hypoxic gas inhalation in healthy young adults
    Lee Dongmin; Yamazaki Yudai; Kuwamizu Ryuta; Aoike Na...
    The journal of physiological sciences : JPS/75(1), 2025-03-01
    PubMed
  • Exercising with virtual reality is potentially better for the working memory and positive mood than cycling alone
    Ochi Genta; Ohno Ken; Kuwamizu Ryuta; Yamashiro Koya; ...
    MENTAL HEALTH AND PHYSICAL ACTIVITY/27, 2024-10
  • 一過性の最大握力発揮運動が認知機能に及ぼす影響
    桑水 隆多
    横浜市立大学学生論集/57/pp.393-405, 2017-04
  • Does executive function associate with handgrip strength?
    KUWAMIZU Ryuta; MURAMATSU Shigeru; SUWABE Kazuya; SOYA...
    Journal of Physical Fitness and Sports Medicine/7(6), 2018
  • Does listening to the high-groove rhythm enhance executive functions?
    FUKUIE Takemune; SUWABE Kazuya; KAWASE Satoshi; OCHI ...
    Journal of Physical Fitness and Sports Medicine/8(6), 2019
  • Does moderate exercise increase central dopaminergic activity? A preliminary human study with spontaneous eye blink rate
    KUWAMIZU Ryuta; SUWABE Kazuya; OCHI Genta; FUKUIE Tak...
    Journal of Physical Fitness and Sports Medicine/8(6), 2019
  • Is Aerobic Fitness Associated With The Dopaminergic System? Evidence From Spontaneous Eye Blink Rate
    Kuwamizu Ryuta; Suwabe Kazuya; Fukuie Takemune; Ochi ...
    MEDICINE AND SCIENCE IN SPORTS AND EXERCISE/52(17::S)/pp.836-836, 2020-07
  • Running benefit that enhances executive function: a brain mechanism improving both mood and executive function
    DAMRONGTHAI Chorphaka; KUWAMIZU Ryuta; ADACHI Kazutaka...
    Journal of Physical Fitness and Sports Medicine/10(6), 2021
  • Discovery of two pupil dilation thresholds (PT): The change of pupil diameter and arousal system during graded exercise
    KUWAMIZU Ryuta; AOIKE Naoki; YAMAZAKI Yudai; SOYA Hid...
    Journal of Physical Fitness and Sports Medicine/10(6), 2021
  • Practical report on physical and mental conditioning of high school students.
    横尾 智治; 岩田 大輝; 合田 浩二; 登坂 太樹; 山合 洋人; 亀村 ひかり; 早貸 千代子; ...
    Bulletin of Junior & Senior High School at Komaba, University of Tsukuba/61/pp.69-74, 2022
  • Doctor of Philosophy in Health and Sport Sciences
    桑水 隆多
    筑波大学博士論文, 2023-03
  • 運動によるメンタルヘルス増進効果は「目」から予測できるか?—DO EYE-RELATED MEASURES PREDICT THE BENEFICIAL EFFECTS OF EXERCISE ON MENTAL HEALTH?
    桑水 隆多; 山崎 雄大; 青池 直樹; 征矢 英昭
    若手研究者のための健康科学研究助成成果報告書 = Research-aid report/37/pp.33-37, 2023-07
  • A Literature review of the association between handgrip strength and cognitive function (in Japanese)
    桑水 隆多
    Journal of health, physical education and recreation/67(6)/pp.431-435, 2017-06
    CiNii
  • Linkage between endurance and cognitive functions important for Homo sapiens (in Japanese)
    桑水隆多; 諏訪部和也; 征矢 英昭
    Journal of health, physical education and recreation/70(1), 2020-01
    CiNii
  • たくましい脳を育む身体活動
    桑水隆多; 秦俊陽; 小泉光; 征矢 英昭
    子どもと発育発達/18(1)/pp.5-15, 2020-04
    CiNii
  • Translational study of exercise benefits for improving mental health from animal to human studies (in Japanese)
    平賀大一; 桑水隆多; 征矢 英昭
    The Japanese journal of psychiatry/25(5)/pp.339-349, 2020-09
    CiNii
  • Muscle Strength and Executive Function: High Grip Strength Young Males Can Get a Grip on Stroop Task
    Kuwamizu Ryuta
    The bulletin of the Yokohama City University. Humanities/72(1,2)/pp.177-192, 2021-03
  • Benefit of human moderate running boosting mood and executive function coinciding with bilateral prefrontal activation
    Damrongthai Chorphaka; Kuwamizu Ryuta; Suwabe Kazuya; ...
    SCIENTIFIC REPORTS/11(1), 2021-11
    PubMed
  • Groove rhythm stimulates prefrontal cortex function in groove enjoyers
    Fukuie Takemune; Suwabe Kazuya; Kawase Satoshi; Shimizu ...
    Scientific reports/12(1)/p.7377, 2022-05
    PubMed
  • Cognitive fatigue due to exercise under normobaric hypoxia is related to hypoxemia during exercise
    Ochi Genta; Kuwamizu Ryuta; Suwabe Kazuya; Fukuie Tak...
    SCIENTIFIC REPORTS/12(1)/p.9835, 2022-06
    PubMed
  • Pupil-linked arousal with very light exercise: pattern of pupil dilation during graded exercise.
    Kuwamizu Ryuta; Yamazaki Yudai; Aoike Naoki; Ochi Gen...
    The Jornal of Physiological Sciences :JPS/72(1), 2022-09
  • The Effects of Acute Virtual Reality Exergaming on Mood and Executive Function: Exploratory Crossover Trial
    Ochi Genta; Kuwamizu Ryuta; Fujimoto Tomomi; Ikarashi ...
    JMIR SERIOUS GAMES/10(3), 2022-07
  • more...
Conference, etc.
  • Pilot Study on Similarity Judgments of Racket Hitting Sensations: For Sport Qualia Experiments
    桑水 隆多
    Q=CM2 2025/2025-3-13--2025-3-15
  • 企画ラウンドテーブル
    桑水 隆多
    日本発達心理学会第36回大会/2025-03-05--2025-03-05
  • Sensation and feeling qualia structure in sports and exercise: Pilot study with similarity.
    KUWAMIZU Ryuta
    Qualia Structure Grant Meeting 2024/2024-10-31--2024-11-4
  • 瞳孔・瞬きから読み解くヒューマン・ハイ・パフォーマンスと脳覚醒システム
    桑水 隆多
    第15回スポーツ視覚研究会/2024-10-26--2024-10-26
  • Pupil dynamics decodes very light exercise benefits to prefrontal executive function: possible involvement of locus coeruleus arousal system
    KUWAMIZU Ryuta; Yamazaki Yudai; Soya Hideaki
    Neuroscience 2024/2024-10-05--2024-10-09
  • 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
    桑水 隆多; 大谷康太; 山本希; 森口佑介
    日本心理学会第88回大会/2024-09-06--2024-09-08
  • 超低強度運動による前頭前野機能促進に脳ドーパミンは関わるか：前駆体枯渇による検討
    桑水 隆多; 永野敦子; 山﨑雄大; 征矢英昭
    第78回日本体力医学会大会/2024-09-02--2024-09-04
  • アイマーカーから読み解く運動による認知機能向上効果の脳機構
    桑水 隆多
    第78回日本体力医学会大会/2024-09-02--2024-09-04
  • 幼児期における認知柔軟性の発達とその前頭前野機構
    桑水 隆多; 山本希; 森口佑介
    第６回スポーツニューロサイエンス研究会/2024-09-01--2024-09-01
  • 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
    桑水 隆多
    日本赤ちゃん学会第24回学術集会/2024-08-24--2024-08-25
  • ヒト実行機能向上のメカニズム
    桑水 隆多
    第79回ARIHHPセミナー/2024-07-29
  • Acute dopamine precursor depletion decreases executive performance and increases spontaneous eye blink rate
    桑水 隆多; 永野敦子; 山﨑雄大; 征矢英昭
    NEURO2024/2024-07-24--2024-07-27
  • 卓球療法と実行機能
    桑水 隆多
    第1回日本卓球療法学会/2017-09
  • Does grip strength associate with executive function?
    Ryuta Kuwaamizu; Shigeru Muramatsu; Kazuya Suwabe; 征矢 英昭
    第２回NIPS-ARIHHP共同ワークショップ/2018-08--2018-08-10
  • 実行機能は持久力だけでなく握力とも関係するか？
    桑水 隆多; 諏訪部 和也; 村松 茂; 征矢 英昭
    第２回スポーツニューロサイエンス研究会/2018-09
  • Does executive function associate with handgrip strength?
    桑水　隆多; 諏訪部　和也; 村松　茂; 征矢 英昭
    The Journal of Physical Fitness and Sports Medicine/2018-09-06--2018-09-09
  • Handgrip strength and cognitive function
    桑水 隆多
    2nd Behavioral Science café/2019-01
  • The effects of daily physical activity and acute moderate exercise on human dopaminergic system: A preliminary study with spontaneous eye blink rate.
    Soya Hideaki; Kuwamizu R; Suwabe K; Fukuie T; Ochi G
    The 1st international sport neuroscience conference 2019/2019-09-18--2019-09-19
  • 中強度運動はドーパミン作動性神経系を活性させるか？：瞬きの頻度を指標にした予備検討
    征矢 英昭; 桑水隆多; 諏訪部和也; 越智元太; 福家健宗; ビョンギョンホ
    The Journal of Physical Fitness and Sports Medicine/2019-09
  • Acute moderate running boosts positive mood and executive function coinciding with prefrontal activation : An fNIRS study
    Adachi Kazutaka
    SfN Global Connectome: A Virtual Event/2021-1-11--2021-1-13
  • Does dopamine connect the link between aerobic fitness and prefrontal executive function? A combined sEBR-fNIRS study
    征矢 英昭
    Virtual dopamine conference/2021-06-22--2021-06-24
  • なぜ有酸素能と実行機能は関係するのか？：自発性瞬目率がその"Missing link"を接続する
    桑水隆多; 征矢 英昭
    第４回スポーツニューロサイエンス研究会/2021-09-16--2021-09-16
  • 漸増負荷運動で見られる二つの瞳孔径閾値：運動時の脳内覚醒機構
    桑水隆多; 青池直樹; 山﨑雄大; 征矢 英昭
    第76回日本体力医学会大会/2021-09-17--2021-09-19
  • Pupil dilation predicts mild exercise-induced higher prefrontal executive function: possible involvement of locus coeruleus arousal system
    Kuwamizu Ryuta; Yudai Yamazaki; Naoki Aoike; Soya Hid...
    NEURO2022/2022-06-30--2022-07-03
  • Pupil-linked arousal during very-light exercise induces subsequent prefrontal cognitive enhancement
    Kuwamizu Ryuta
    Exercise and Brain Talk 4th annual meeting/2022-08-24
  • more...
Other activities
-- (current)卓球競技に関して
-- (current)学振PD申請書 （2022年6月申請）※パスワードはお問い合わせください
-- (current)学振DC1申請書抜粋 （2019年5月申請）※パスワードはお問い合わせください
-- (current)若手研究申請書（2023年9月申請）パスワード付き
2019-04 -- 2023-03利根町高齢者運動教室 講師
2019-04 -- (current)横浜市立大学体育会卓球部 監督
2023-09 -- (current)Peer review activity

(Last updated: 2025-04-17)