Yoshizawa Tomohiko 吉澤知彦

Researcher Number	70825744
Other IDs
Affiliation (Current)	2025: 北海道大学, 歯学研究院, 助教
Affiliation (based on the past Project Information) *help	2025: 北海道大学, 歯学研究院, 助教 2020 – 2023: 北海道大学, 歯学研究院, 助教 2019: 東京医科歯科大学, 大学院医歯学総合研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 46030:Function of nervous system-related Except Principal Investigator Basic Section 57010:Oral biological science-related
Keywords	Principal Investigator 線条体 / 報酬予測 / ストリオソーム / マルチユニット記録 / 神経情報表現 / ストリオソーム/マトリックス / dLight1 / ファイバーフォトメトリー / 連合学習 / ドーパミン … More / マトリックス / レバー課題 / 腹側被蓋野 / マクロ状態 / 機械学習 / ワーキングメモリー / ワーキングメモリ / 前頭前野 / 一次運動野 / ポアソン回帰 … More Except Principal Investigator シスプラチン / 最後野 / 悪心 / 味覚嫌悪記憶 / 忌避行動 / 味覚反応試験 / 条件付け味覚嫌悪 / 孤束核 / 嘔吐 / CTA / ゲーピング / ラット / エメチン / 迷走神経 Less

Longitudinal electrophysiological measurements of striatal striosome compartments for a unified understanding of structure and neuronal dynamicsPrincipal Investigator
- Principal Investigator
  
  吉澤知彦
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 46030:Function of nervous system-related
- Research Institution
  Hokkaido University
Elucidation of the mechanism of updating the conditioned memory acquired by nausea and vomiting and development of a novel nausea suppression method.
- Principal Investigator
  
  舩橋誠
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 57010:Oral biological science-related
- Research Institution
  Hokkaido University
Neurophysiological study for the elucidation of the difference of the central mechanism of nausea and vomiting and the development of the nausea suppression therapy.
- Principal Investigator
  
  舩橋誠
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 57010:Oral biological science-related
- Research Institution
  Hokkaido University
Dopamine dynamics in striatal striosome/matrix compartments during associative learningPrincipal Investigator
- Principal Investigator
  
  吉澤知彦
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 46030:Function of nervous system-related
- Research Institution
  Hokkaido University
Development of brain state extraction method from large-scale neural activity data for brain algorithm estimationPrincipal Investigator
- Principal Investigator
  
  Yoshizawa Tomohiko
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 46030:Function of nervous system-related
- Research Institution
  Hokkaido University
  Tokyo Medical and Dental University

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Neuronal Representation of a Working Memory-Based Decision Strategy in the Motor and Prefrontal Cortico-Basal Ganglia Loops2023
- Author(s)
  Yoshizawa Tomohiko、Ito Makoto、Doya Kenji
- Journal Title
  
  eNeuro
  
  Volume: 10(6) Issue: 6 Pages: ENEURO.0413-22.2023
- DOI
  10.1523/eneuro.0413-22.2023
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K15217, KAKENHI-ORGANIZER-23H04972
[Journal Article] Working memory-based and -free reward prediction in a dual dopamine system in the basal ganglia2023
- Author(s)
  Yoshizawa Tomohiko、Miyamura Yuuto、Ochi Yuta、Hira Riichiro、Funahashi Makoto、Sakai Yutaka、Cui Yilong、Isomura Yoshikazu
- Journal Title
  
  bioRxiv
  
  Volume: - Pages: 033405-033405
- DOI
  10.1101/2023.03.06.531239
- Open Access
- Data Source
  KAKENHI-PROJECT-22K15217, KAKENHI-PLANNED-21H05242, KAKENHI-ORGANIZER-21H05238, KAKENHI-PLANNED-21H05135
[Journal Article] Conditioned nausea induced by cisplatin and emetine identified by a taste reactivity test in rats2023
- Author(s)
  Su Shaoyi、Wei Zimo、Huang Helai、Yoshizawa Tomohiko、Inui Tadashi、Funahashi Makoto
- Journal Title
  
  Physiology & Behavior
  
  Volume: 269 Pages: 114278-114278
- DOI
  10.1016/j.physbeh.2023.114278
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K09900
[Journal Article] Neuronal representation of a working memory-based decision strategy in the motor and prefrontal cortico-basal ganglia loops2022
- Author(s)
  Yoshizawa Tomohiko、Ito Makoto、Doya Kenji
- Journal Title
  
  bioRxiv
  
  Volume: -
- DOI
  10.1101/2022.09.07.506894
- Open Access
- Data Source
  KAKENHI-PROJECT-22K15217
[Journal Article] An engineered channelrhodopsin optimized for axon terminal activation and circuit mapping2021
- Author(s)
  Hamada Shun、Nagase Masashi、Yoshizawa Tomohiko、Hagiwara Akari、Isomura Yoshikazu、Watabe Ayako M.、Ohtsuka Toshihisa
- Journal Title
  
  Communications Biology
  
  Volume: 4 Issue: 1 Pages: 1-11
- DOI
  10.1038/s42003-021-01977-7
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K09769, KAKENHI-PROJECT-20K15936, KAKENHI-PUBLICLY-19H04758, KAKENHI-PUBLICLY-19H05014, KAKENHI-PROJECT-19H03324, KAKENHI-PROJECT-19K16299, KAKENHI-PUBLICLY-20H05053, KAKENHI-PROJECT-19H03342, KAKENHI-PROJECT-19H04062, KAKENHI-PROJECT-20H03855, KAKENHI-PROJECT-21K18564, KAKENHI-PROJECT-16H06276
[Journal Article] Effects of methyl methacrylate on the excitability of the area postrema neurons in rats2020
- Author(s)
  Yoshizawa Tomohiko、Funahashi Makoto
- Journal Title
  
  Journal of Oral Biosciences
  
  Volume: 62 Issue: 4 Pages: 306-309
- DOI
  10.1016/j.job.2020.09.003
- NAID
  120007173912
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K10039, KAKENHI-PROJECT-19K16299
[Presentation] サッカリンに対する条件付味覚嫌悪が甘い食べ物の摂取に及ぼす影響2024
- Author(s)
  魏紫茉, 黄鶴来, 吉澤知彦, 乾賢, 舩橋誠
- Organizer
  第101回日本生理学会大会
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] Dopamine dynamics in striatal striosome compartments during classical and operant conditioning2024
- Author(s)
  Tomohiko Yoshizawa, Makoto Funahashi
- Organizer
  Winter Workshop on Mechanism of Brain and Mind 2024
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] Parallel processing of working memory-based and -free reward prediction in dual dopamine system of the basal ganglia2023
- Author(s)
  Tomohiko Yoshizawa, Yuuto Miyamura, Yuta Ochi, Riichiro Hira, Makoto Funahashi, Yutaka Sakai, Yilong Cui, Yoshikazu Isomura
- Organizer
  The 46th Annual Meeting of the Japan Neuroscience Society
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] 味覚反応試験を用いたラットにおけるエメチン誘発悪心の解析2023
- Author(s)
  蘇韶懿、菊池媛美、魏紫茉、黄鶴来、吉澤知彦、乾賢、舩橋誠
- Organizer
  第100回日本生理学会
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] Working memory-based and -free reward prediction in dual dopamine system of the basal ganglia2023
- Author(s)
  吉澤知彦、宮村裕人、越智祐太、平理一郎、舩橋誠、酒井裕、崔翼龍、礒村宜和
- Organizer
  脳と心のメカニズム冬のワークショップ 2023
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] Analysis of gaping reactions induced by emetine and cisplatin.2023
- Author(s)
  M. FUNAHASHI, Z. WEI, H. HUANG, T. YOSHIZAWA, T. INUI
- Organizer
  北米神経科学学会（Society for Neuroscience）Neuroscience 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] サッカリン水摂取時の線条体背側部と腹側部での異なるドーパミン分泌動態2023
- Author(s)
  吉澤知彦、舩橋誠
- Organizer
  第65回歯科基礎医学会学術大会
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] 大脳基底核の二重ドーパミン系による作業記憶依存性・非依存性の報酬予測2023
- Author(s)
  吉澤知彦、宮村裕人、越智祐太、平理一郎、舩橋誠、酒井裕、崔翼龍、礒村宜和
- Organizer
  日本生理学会第100回記念大会
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] 大脳基底核の二重ドーパミン系による作業記憶依存性・非依存性の報酬予測2023
- Author(s)
  吉澤知彦、宮村裕人、越智祐太、平理一郎、舩橋誠、酒井裕、崔翼龍、礒村宜和
- Organizer
  第100回日本生理学会
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] 条件付け味覚嫌悪が摂食行動に及ぼす影響2023
- Author(s)
  魏紫茉, 黄鶴来, 吉澤知彦, 乾賢, 舩橋誠
- Organizer
  第65回歯科基礎医学会学術大会
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] Distinct dopamine dynamics in the dorsal and ventral striatum during saccharin water intake2023
- Author(s)
  Tomohiko Yoshizawa, Makoto Funahashi
- Organizer
  The 65th Annual Meeting of Japan Association for Oral Biology
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] Parallel implementation of working and reference memory-based reward prediction in a dual dopamine pathway to the striatum.2023
- Author(s)
  T. YOSHIZAWA, Y. MIYAMURA, Y. OCHI, R. HIRA, M. FUNAHASHI, Y. SAKAI, Y. CUI, Y. ISOMURA
- Organizer
  北米神経科学学会（Society for Neuroscience）Neuroscience 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] Effects of conditioned taste aversion to saccharin on sweet food intake.2023
- Author(s)
  Z. WEI, H. HUANG, T. YOSHIZAWA, T. INUI, M. FUNAHASHI
- Organizer
  北米神経科学学会（Society for Neuroscience）Neuroscience 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] Parallel implementation of working memory and reference memory-based reward prediction in a dual dopamine pathway to the striatum2023
- Author(s)
  Tomohiko Yoshizawa, Yuuto Miyamura, Yuta Ochi, Riichiro Hira, Makoto Funahashi, Yutaka Sakai, Yilong Cui, Yoshikazu Isomura
- Organizer
  Neuroscience 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] Dexamethasone suppresses cisplatin-induced nausea in rats with area postrema lesions and bilateral subdiaphragmatic afferent vagotomy.2022
- Author(s)
  Shaoyi Su, Emi Kikuchi, Yoshizawa T, Tadashi Inui, Makoto Funahashi
- Organizer
  北米神経科学学会（Society for Neuroscience）Neuroscience 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] ゲーピング反応測定によるエメチン誘発条件付け悪心の解析2022
- Author(s)
  蘇韶懿、菊池媛美、吉澤知彦、乾賢、舩橋誠
- Organizer
  第64回歯科基礎医学会学術大会
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] 非明示的な課題ルールに基づいた報酬予測を実現するための神経基盤2022
- Author(s)
  吉澤知彦、宮村裕人、越智祐太、平理一郎、舩橋誠、酒井裕、崔翼龍、礒村宜和
- Organizer
  NEURO2022（第45回日本神経科学大会）
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] Gaping reactions induced by emetine.2022
- Author(s)
  Makoto Funahashi, Shaoyi Su, Emi Kikuchi, Zimo Wei , Huang Helai, Tomohiko Yoshizawa, Tadashi Inui
- Organizer
  北米神経科学学会（Society for Neuroscience）Neuroscience 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] 最後野破壊および横隔膜下両側迷走神経求心路切除後のシスプラチン誘発条件付け味覚嫌悪に対するデキサメタゾンの効果2022
- Author(s)
  蘇韶懿、魏紫茉、黄鶴来、吉澤知彦、乾賢、舩橋誠
- Organizer
  第102回北海道医学大会生理系分科会（日本生理学会北海道地方会）
- Data Source
  KAKENHI-PROJECT-22K09900
[Presentation] 非明示的な課題ルールに基づいた報酬予測を実現するための神経基盤2022
- Author(s)
  吉澤知彦、宮村裕人、越智祐太、平理一郎、舩橋誠、酒井裕、崔翼龍、礒村宜和
- Organizer
  Neuro2022
- Data Source
  KAKENHI-PROJECT-22K15217
[Presentation] Neuronal representation of working memory-based decision strategy in the prefrontal and motor cortico-basal ganglia loops2021
- Author(s)
  Yoshizawa Tomohiko, Ito Makoto, Doya Kenji
- Organizer
  The 44th Annual Meeting of the Japan Neuroscience Society
- Data Source
  KAKENHI-PROJECT-19K16299
[Presentation] 作業記憶に基づく意思決定戦略の大脳皮質-基底核回路における神経表現2021
- Author(s)
  吉澤知彦
- Organizer
  第101回日本生理学会北海道地方会
- Data Source
  KAKENHI-PROJECT-19K16299
[Presentation] 腹側被蓋野の神経活動に対する交互報酬の影響2020
- Author(s)
  吉澤知彦、野々村聡、Alain Rios、川端政則、坂入朋美、酒井裕、礒村宜和
- Organizer
  第12回 CBIR/ONSA/大学院セミナー共催若手インスパイアシンポジウム
- Data Source
  KAKENHI-PROJECT-19K16299
[Presentation] VTA neuronal activity represents trial- and block-based reward prediction errors2020
- Author(s)
  Tomohiko Yoshizawa, Satoshi Nonomura, Alain Rios, Masanori Kawabata, Tomomi Sakairi, Yutaka Sakai, Yoshikazu Isomura
- Organizer
  The 4th Research Area Meeting of Development and application of optical technology for spatiotemporal control of biological functions
- Data Source
  KAKENHI-PROJECT-19K16299
[Presentation] 大脳基底核による報酬予測と強化学習2020
- Author(s)
  吉澤知彦
- Organizer
  第12回 CBIR/ONSA/大学院セミナー共催若手インスパイアシンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-19K16299

1. 舩橋誠 (80221555)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. 乾賢 (40324735)

# of Collaborated Projects: 2 results

# of Collaborated Products: 10 results
3. 船橋誠

# of Collaborated Projects: 0 results

# of Collaborated Products: 15 results
4. 萩原明

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Yoshizawa Tomohiko 吉澤 知彦

Research Projects

Research Products

Co-Researchers

Longitudinal electrophysiological measurements of striatal striosome compartments for a unified understanding of structure and neuronal dynamicsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidation of the mechanism of updating the conditioned memory acquired by nausea and vomiting and development of a novel nausea suppression method.

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Neurophysiological study for the elucidation of the difference of the central mechanism of nausea and vomiting and the development of the nausea suppression therapy.

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Dopamine dynamics in striatal striosome/matrix compartments during associative learningPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of brain state extraction method from large-scale neural activity data for brain algorithm estimationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Neuronal Representation of a Working Memory-Based Decision Strategy in the Motor and Prefrontal Cortico-Basal Ganglia Loops2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Working memory-based and -free reward prediction in a dual dopamine system in the basal ganglia2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Conditioned nausea induced by cisplatin and emetine identified by a taste reactivity test in rats2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Neuronal representation of a working memory-based decision strategy in the motor and prefrontal cortico-basal ganglia loops2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An engineered channelrhodopsin optimized for axon terminal activation and circuit mapping2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effects of methyl methacrylate on the excitability of the area postrema neurons in rats2020

Author(s)

Journal Title

DOI

NAID

Data Source

[Presentation] サッカリンに対する条件付味覚嫌悪が甘い食べ物の摂取に及ぼす影響2024

Author(s)

Organizer

Data Source

[Presentation] Dopamine dynamics in striatal striosome compartments during classical and operant conditioning2024

Author(s)

Organizer

Data Source

[Presentation] Parallel processing of working memory-based and -free reward prediction in dual dopamine system of the basal ganglia2023

Author(s)

Organizer

Data Source

[Presentation] 味覚反応試験を用いたラットにおけるエメチン誘発悪心の解析2023

Author(s)

Organizer

Yoshizawa Tomohiko 吉澤知彦