Researcher basic information

• Ph.D., Hokkaido University, Mar. 2019

• https://researchmap.jp/matalab?lang=en

• https://jglobal.jst.go.jp/detail?JGLOBAL_ID=202401006782755947
• https://orcid.org/0000-0003-2039-1734

• 60996817

• https://orcid.org/0000-0003-2039-1734

• 202401006782755947

• Neuroscience
• Neuroethology
• Comparative Physiology
• Animal Behavior
• Animal Communication
• Weakly Electric Fish
• Corollary Discharge
• Sensorimotor Integration

• Life Science, Animal physiological chemistry, physiology and behavioral biology
• Life Science, Neuroscience-general
• Life Science, Aquatic life science

• Bachelor's degree program, School of Science
• Master's degree program, Graduate School of Life Science
• Doctoral (PhD) degree program, Graduate School of Life Science

Research activity information

• Mar. 2016, Graduate School of Life Science, Hokkaido University, Best Presentation Award for Master Thesis
• Sep. 2015, The Japanese Society of Comparative Physiology and Biochemistry, Tomiyuki Hara Award

• Prey capture strategies relate to prey position in the scale-eating cichlid Perissodus microlepis
  Kai Koike; Matasaburo Fukutomi; Yuichi Takeuchi
  Biology Open, 15 Jul. 2026
  Scientific journal
• Coordinated changes in sensorimotor integration underlie behavioral change through evolution and plasticity: A case study in weakly electric mormyrid fish
  Matasaburo Fukutomi; Bruce A Carlson
  Science Progress, 107, 3, SAGE Publications, Jul. 2024, [Peer-reviewed], [Invited], [Lead author]
  Scientific journal
• モルミルス科弱電気魚から探る随伴発射の神経メカニズム
  Matasaburo FUKUTOMI
  Hikaku seiri seikagaku(Comparative Physiology and Biochemistry), 40, 2, 97, 104, The Japanese Society for Comparative Physiology and Biochemistry, 09 Aug. 2023, [Peer-reviewed], [Invited], [Lead author, Corresponding author]
  Scientific journal
• Hormonal coordination of motor output and internal prediction of sensory consequences in an electric fish
  Matasaburo Fukutomi; Bruce A. Carlson
  Current Biology, 33, 16, 3350, 3359.e4, Elsevier BV, 24 Jul. 2023, [Peer-reviewed], [Lead author]
  Scientific journal
• Persistence of auditory modulation of wind-induced escape behavior in crickets
  Anhua Lu; Matasaburo Fukutomi; Hisashi Shidara; Hiroto Ogawa
  Frontiers in Physiology, 14, Frontiers Media SA, 09 May 2023, [Peer-reviewed]
  Scientific journal, Animals, including insects, change their innate escape behavior triggered by a specific threat stimulus depending on the environmental context to survive adaptively the predators’ attack. This indicates that additional inputs from sensory organs of different modalities indicating surrounding conditions could affect the neuronal circuit responsible for the escape behavior. Field crickets, Gryllus bimaculatus, exhibit an oriented running or jumping escape in response to short air puff detected by the abdominal mechanosensory organ called cerci. Crickets also receive a high-frequency acoustic stimulus by their tympanal organs on their frontal legs, which suggests approaching bats as a predator. We have reported that the crickets modulate their wind-elicited escape running in the moving direction when they are exposed to an acoustic stimulus preceded by the air puff. However, it remains unclear how long the effects of auditory inputs indicating surrounding contexts last after the sound is terminated. In this study, we applied a short pulse (200 ms) of 15-kHz pure tone to the crickets in various intervals before the air-puff stimulus. The sound given 200 or 1000 ms before the air puff biased the wind-elicited escape running backward, like the previous studies using the longer and overlapped sound. But the sounds that started 2000 ms before and simultaneously with the air puff had little effect. In addition, the jumping probability was higher only when the delay of air puff to the sound was 1000 ms. These results suggest that the cricket could retain the auditory memory for at least one second and alter the motion choice and direction of the wind-elicited escape behavior.
• Deep learning-assisted comparative analysis of animal trajectories with DeepHL
  Takuya Maekawa; Kazuya Ohara; Yizhe Zhang; Matasaburo Fukutomi; Sakiko Matsumoto; Kentarou Matsumura; Hisashi Shidara; Shuhei J. Yamazaki; Ryusuke Fujisawa; Kaoru Ide; Naohisa Nagaya; Koji Yamazaki; Shinsuke Koike; Takahisa Miyatake; Koutarou D. Kimura; Hiroto Ogawa; Susumu Takahashi; Ken Yoda
  Nature Communications, 11, 1, Springer Science and Business Media LLC, 20 Oct. 2020, [Peer-reviewed]
  Scientific journal, Abstract
  
  A comparative analysis of animal behavior (e.g., male vs. female groups) has been widely used to elucidate behavior specific to one group since pre-Darwinian times. However, big data generated by new sensing technologies, e.g., GPS, makes it difficult for them to contrast group differences manually. This study introduces DeepHL, a deep learning-assisted platform for the comparative analysis of animal movement data, i.e., trajectories. This software uses a deep neural network based on an attention mechanism to automatically detect segments in trajectories that are characteristic of one group. It then highlights these segments in visualized trajectories, enabling biologists to focus on these segments, and helps them reveal the underlying meaning of the highlighted segments to facilitate formulating new hypotheses. We tested the platform on a variety of trajectories of worms, insects, mice, bears, and seabirds across a scale from millimeters to hundreds of kilometers, revealing new movement features of these animals.
• A History of Corollary Discharge: Contributions of Mormyrid Weakly Electric Fish
  Matasaburo Fukutomi; Bruce A. Carlson
  Frontiers in Integrative Neuroscience, 14, Frontiers Media SA, 29 Jul. 2020, [Peer-reviewed], [Invited], [Lead author]
  Scientific journal
• Signal Diversification Is Associated with Corollary Discharge Evolution in Weakly Electric Fish
  Matasaburo Fukutomi; Bruce A. Carlson
  The Journal of Neuroscience, 40, 33, 6345, 6356, Society for Neuroscience, 13 Jul. 2020, [Peer-reviewed], [Lead author]
  Scientific journal
• Efficient learning algorithm for sparse subsequence pattern-based classification and applications to comparative animal trajectory data analysis
  Takuto Sakuma; Kazuya Nishi; Kaoru Kishimoto; Kazuya Nakagawa; Masayuki Karasuyama; Yuta Umezu; Shinsuke Kajioka; Shuhei J. Yamazaki; Koutarou D. Kimura; Sakiko Matsumoto; Ken Yoda; Matasaburo Fukutomi; Hisashi Shidara; Hiroto Ogawa; Ichiro Takeuchi
  Advanced Robotics, 33, 3-4, 134, 152, Informa UK Limited, 25 Jan. 2019, [Peer-reviewed]
  Scientific journal
• Crickets alter wind-elicited escape strategies depending on acoustic context
  Matasaburo Fukutomi; Hiroto Ogawa
  Scientific Reports, 7, 1, Springer Science and Business Media LLC, 09 Nov. 2017, [Peer-reviewed], [Lead author]
  Scientific journal, Abstract
  
  Acoustic signals trigger various behaviours in insects such as courtship or escape from predators. However, it remains unknown whether insects utilize acoustic signals to recognize environmental contexts. The cricket is a prominent model insect for neuroethological studies on acoustic behaviour because female crickets exhibit positive phonotaxis in response to male calling songs, and flying crickets display avoidance behaviour for high-frequency sounds such as echolocation call of bats. The carrier frequency of these sounds is a major factor in determining whether they initiate these acoustic behaviours. Here, we examined the impacts of different frequencies of tone sounds on cercal-mediated escape behaviour, using a 5-kHz tone corresponding to the calling song and a 15-kHz tone serving as a trigger of avoidance behaviours. Neither frequency elicited a response in the standing cricket by itself, but they had different impacts on walking responses to airflow stimuli. While the 15-kHz tone reduced response probability, extended moving distance, and enhanced turn-angle variability, the 5-kHz tone had no effect. Although both frequencies of tones facilitated walking backward, the 15-kHz tone had a larger effect than the 5-kHz tone. These frequency dependencies of behavioural modulation suggest that crickets can recognize acoustic contexts and alter their escape strategy accordingly.
• Auditory modulation of wind-elicited walking behavior in the cricket, Gryllus bimaculatus
  Matasaburo Fukutomi; Makoto Someya; Hiroto Ogawa
  Journal of Experimental Biology, The Company of Biologists, 01 Dec. 2015, [Peer-reviewed], [Lead author]
  Scientific journal, Animals flexibly change their locomotion triggered by an identical stimulus even in simple behaviors such as escape response, depending on the environmental context and behavioral state. This indicates that additional sensory inputs in different modality from the stimulus triggering the escape response affect the neuronal circuit governing that behavior. However, how the spatio-temporal relationships between these two stimuli effect on behavioral change remains unknown. We studied this question, using crickets, which respond by oriented walking activity to a short air-puff mediated by the cercal sensory system. In addition, an acoustic stimulus, such as conspecific ‘song’ received by the tympanal organ, elicits distinct oriented locomotion termed phonotaxis. In this study, we examined the cross-modal effects on wind-elicited walking when an acoustic stimulus was preceded by an air-puff, and tested whether the auditory modulation depends on the coincidence in the direction of both stimuli. A preceding 10-kHz pure tone biased the wind-elicited walking in a backward direction and elevated a threshold of the wind-elicited response, while other movement parameters including turn angle, reaction time, walking speed, and distance were unaffected. The auditory modulations, however, did not depend on the coincidence of the stimulus directions. A preceding sound consistently altered the wind-elicited walking direction and response probability throughout the experimental sessions, meaning that the auditory modulation did not result from previous experience or associative learning. These results suggest that the cricket nervous system is able to integrate auditory and air-puff stimuli and to modulate the wind-elicited escape behavior depending on the acoustic context.

• デンキウオの電気のおしゃべりを聞いてみよう
  福富 又三郎
  ひとはくセミナー, 01 May 2025, Japanese, Public discourse
  [Invited]
• モルミルス科弱電気魚における電気コミュニケーションと社会状態
  福富 又三郎; Bruce A Carlson
  日本動物学会第95回長崎大会 シンポジウム「動物のシグナルインプット・プロセッシング・アウトプットの多様性を俯瞰して理解する」, 13 Sep. 2024, Japanese, Nominated symposium
  [Invited]
• 弱電気魚における随伴発射の進化と可塑性
  福富 又三郎
  行動生物学研究会 第35回オンライン講演会, 19 Apr. 2024, Public discourse
  [Invited]
• Decoding electric pulse signals from socially interacting electric fish
  Matasaburo Fukutomi; Bruce A Carlson
  日本生態学会第70回全国大会 シンポジウム「学際的・分類群横断的に動物のコミュニケーション研究を見てみよう」, 20 Mar. 2023, Japanese, Nominated symposium
  [Invited]
• 弱電気魚の感覚運動統合回路における進化と可塑性
  福富 又三郎
  第592回日本動物学会北海道支部講演会, 22 Sep. 2022, Japanese, Public discourse
  [Invited]
• 弱電気魚の電気コミュニケーションの解読
  福富 又三郎
  動心実験技術ワークショップ・カットアンドトライDeepLabCut, 20 Aug. 2022, Japanese, Nominated symposium
  [Invited]
• Signal diversification is associated with corollary discharge evolution in weakly electric fish
  Matasaburo Fukutomi; Bruce A Carlson
  Electric Fish Connection, 03 Dec. 2020, English, Invited oral presentation
  [Invited]
• Corollary discharge evolution in mormyrid electric fish
  Matasaburo Fukutomi; Bruce A. Carlson
  J.B. Johnston Club for Evolutionary Neuroscience, 20 Oct. 2020, English, Oral presentation
• 弱電気魚におけるCorollary discharge機構の進化
  福富 又三郎
  第587回日本動物学会北海道支部講演会, 11 Dec. 2019, Japanese, Public discourse
  [Invited]

• 行動システム制御科学特論, 2024年, 修士課程, 生命科学院
• 行動神経生物学b, 2024年, 学士課程, 理学部
• 行動神経生物学Ⅱ, 2024年, 学士課程, 理学部
• 生物多様性概論, 2024年, 学士課程, 理学部
• ISP生物科学実習Ⅱ・a, 2024年, 学士課程, 理学部
• ISP生物科学実習Ⅱ・b, 2024年, 学士課程, 理学部
• 行動神経生物学実習, 2024年, 学士課程, 理学部
• 行動神経生物学実習, 2024年, 学士課程, 理学部
• 機能生物学Ⅱ, 2024年, 学士課程, 理学部
• 生物学特別講義Ⅲ, 2024年, 学士課程, 理学部
• 英語演習, 2024年, 学士課程, 全学教育

• Understading the mechanisms governing animal laterality
  Grants-in-Aid for Scientific Research
  01 Apr. 2026 - 31 Mar. 2029
  竹内 勇一; 安齋 賢; 福富 又三郎
  Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research (B), Hokkaido University, 26K02110
• 能動的探索はいかに認知地図を形作るのか？
  科学研究費助成事業
  01 Apr. 2025 - 31 Mar. 2028
  福富 又三郎
  日本学術振興会, 若手研究, 北海道大学, 25K18501
• 世界最速ライトシート顕微鏡による神経活動イメージングから探る超高速時間情報処理機構
  第10回北海道大学部局横断シンポジウム研究助成
  Sep. 2024
  冨菜 雄介; 福富 又三郎
  北海道大学部局横断シンポジウム, Coinvestigator
• 感覚情報処理における刺激の複数情報を同時に暗号化するしくみ
  ライフサイエンス研究助成
  Aug. 2024
  福富 又三郎
  武田科学振興財団, Principal investigator
• ナマズの神経行動学：電気を出さない魚の電気感覚
  Jul. 2024
  福富 又三郎
  秋山記念生命科学振興財団, 研究助成（奨励）, Principal investigator
• 昆虫における逃避行動の聴覚的状況依存性を生み出す脳内神経機構の解明
  科学研究費助成事業
  Apr. 2017 - Mar. 2019
  福富 又三郎
  動物は置かれた状況に応じて，同じ刺激に対する逃げ方を柔軟に変化させる．しかし，このような行動の状況依存性を支配する神経基盤は十分に理解されていない．
  逃避行動の状況依存性は，逃避そのものを引き起こす「トリガー刺激」と状況を伝える「状況刺激」の感覚情報の統合によって生じる．これまでに私は，コオロギの気流刺激に対する逃避行動が，先行する音刺激によって変化することを報告した（Fukutomi et al., 2015）．さらに前年度の研究では，音による気流逃避行動の変化への搬送周波数の影響を調べ，コウモリの探索超音波に近い高周波音（15 kHzトーン）を聞くと，逃避行動を大きく変化させることを明らかにした（Fukutomi & Ogawa, 2017）．
  今年度は，この気流逃避行動の聴覚修飾を支配するニューロンを探索した．私はまず，すでに同定されている前胸神経節内の聴覚介在ニューロン：AN2に注目した．AN2は高周波音に強く応答するだけでなく，気流刺激に対しても応答する多感覚ニューロンであることが，近年所属研究室で明らかにされた（Someya & Ogawa, 2018）．そこで行動実験と同様に，15 kHzトーンを気流に対して800ミリ秒先行して呈示したところ，AN2の気流に対する応答が，気流のみの応答よりも減少した．すなわち，行動実験で観察され逃避行動の修飾と同様に，AN2の気流応答も聴覚入力によって変化した．
  AN2は，気流逃避行動に重要な役割をもつ最終腹部神経節からのGIsと並んで，気流感覚情報を脳へ送っている．したがって，AN2の気流応答が先行音によって減少することで，脳に伝えられる気流感覚情報が変化した結果，逃避行動の変化が生じたと推察される．さらに，AN2は一次聴覚ニューロンの入力を直接受けているため，AN2こそが逃避行動の状況依存的な変化の発端である可能性がある．
  日本学術振興会, 特別研究員奨励費, 北海道大学, 17J04782