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The evolution of group-mindedness: Comparative perspectives with humans' evolutionarily and socially closest species

Research Project

Project/Area Number 22KJ1677
Project/Area Number (Other) 21J21123 (2021-2022)
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeMulti-year Fund (2023)
Single-year Grants (2021-2022)
Section国内
Review Section Basic Section 90030:Cognitive science-related
Research InstitutionKyoto University

Principal Investigator

BROOKS JAMES  京都大学, 理学研究科, 特別研究員(PD)

Project Period (FY) 2023-03-08 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥1,300,000 (Direct Cost: ¥1,300,000)
Fiscal Year 2023: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2022: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 2021: ¥500,000 (Direct Cost: ¥500,000)
Keywordscooperation / group-mindedness / group behaviour / oxytocin / intergroup competition / comparative ethology / social cognition / evolution / bonobo / chimpanzee / collective behaviour / horse / competition / cognitive evolution
Outline of Research at the Start

The overall structure of this research aims at investigating group-mindedness from 3 levels: the behaviour (group-level cooperative behaviour), the hypothesized selection pressures (intergroup resource competition), and the proximate mechanisms (the neuropeptide oxytocin). My research focuses especially on where these levels intersect, and aims to empirically validate the proposed links between each component, in order to develop more coherent and robust predictions about the factors and forces through which group cooperation can evolve.

Outline of Annual Research Achievements

In this fiscal year of the fellowship I successfully completed data collection on all planned works, including a couple small new projects in addition to the main planned experiments. I have additionally analyzed the majority of this data, as well as submitted some for publication. I travelled and presented my work at international conferences, participated in education/networking programs (summer and winter schools), and showcased my work at several invited talks internationally (primarily in Europe). The work from this fiscal year has the outlook of several publications to come in this upcoming fiscal year, including at least one on horse oxytocin, one on bonobo intergroup behaviour, one on great ape eye-tracking, one on a group cooperation task with chimpanzees, and one theoretical-empirical collaboration working with mathematicians to develop mathematical models of group-based cooperation. This work is mostly analyzed, with two of the papers submitted, two nearly completed awaiting final writing, and one needing final data analysis to be completed before writing and submission.

The results of this work show promise to pay off significantly. With the data in hand and some results, different directions of study from physiology to ethology to mathematics are beginning to be synthesized together for new understandings. The research is working and beginning to reveal important structures and dimensions in the evolutionary origins of cooperation and group-based behaviour.

Report

(3 results)
  • 2023 Annual Research Report
  • 2022 Annual Research Report
  • 2021 Annual Research Report
  • Research Products

    (19 results)

All 2023 2022 2021

All Journal Article (8 results) (of which Int'l Joint Research: 7 results,  Open Access: 5 results,  Peer Reviewed: 6 results) Presentation (11 results) (of which Int'l Joint Research: 5 results)

  • [Journal Article] A Drone Study of Sociality in the Finless Porpoise Neophocaena asiaeorientalis in the Ariake Sound, Japan2023

    • Author(s)
      Morimura Naruki、Itahara Akihiro、Brooks James、Mori Yusuke、Piao Yige、Hashimoto Hiroki、Mizumoto Itsuki
    • Journal Title

      Drones

      Volume: 7 Issue: 7 Pages: 422-422

    • DOI

      10.3390/drones7070422

    • Related Report
      2023 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Testing the effect of oxytocin on social grooming in bonobos2022

    • Author(s)
      Brooks James、Kano Fumihiro、Yeow Hanling、Morimura Naruki、Yamamoto Shinya
    • Journal Title

      American Journal of Primatology

      Volume: 84 Issue: 12

    • DOI

      10.1002/ajp.23444

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The evolution of group-mindedness: comparative research on top-down and bottom-up group cooperation in bonobos and chimpanzees2022

    • Author(s)
      Brooks James、Yamamoto Shinya
    • Journal Title

      Current Opinion in Behavioral Sciences

      Volume: 47 Pages: 101205-101205

    • DOI

      10.1016/j.cobeha.2022.101205

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees2022

    • Author(s)
      Brooks James、Kano Fumihiro、Kawaguchi Yuri、Yamamoto Shinya
    • Journal Title

      Hormones and Behavior

      Volume: 143 Pages: 105182-105182

    • DOI

      10.1016/j.yhbeh.2022.105182

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Oxytocin promotes social grooming in bonobos2022

    • Author(s)
      Brooks James、Kano Fumihiro、Yeow Hanling、Morimura Naruki、Yamamoto Shinya
    • Journal Title

      BioRXiv

      Volume: na

    • DOI

      10.1101/2021.11.30.468796

    • Related Report
      2021 Annual Research Report
  • [Journal Article] The founder sociality hypothesis2021

    • Author(s)
      Brooks J., & Yamamoto S.
    • Journal Title

      Ecology and Evolution

      Volume: 11 Issue: 21 Pages: 14392-14404

    • DOI

      10.1002/ece3.8143

    • NAID

      120007167292

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Response: Commentary: Dog Stick Chewing: An Overlooked Instance of Tool Use?2021

    • Author(s)
      Brooks James、Yamamoto Shinya
    • Journal Title

      Frontiers in Psychology

      Volume: 12 Pages: 757526-757526

    • DOI

      10.3389/fpsyg.2021.757526

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Knowledge‐based enrichment: Development of a novel enrichment device for captive chimpanzees2021

    • Author(s)
      Brooks James、Yoshimura Hiroto、Taki Yuto
    • Journal Title

      Zoo Biology

      Volume: 40 Issue: 5 Pages: 398-406

    • DOI

      10.1002/zoo.21617

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Outgroup cues promote ingroup cohesion in bonobos despite limited intergroup competition2023

    • Author(s)
      Brooks, J, van Heijst, K, Epping, A, Lee, S, Niksarli, A, Pope, A, Clay, Z, Kret, M, Taglialatela, J, Yamamoto, S
    • Organizer
      Joint Meeting of the International Primatological Society and the Malaysian Primatological Society, Kuching, Malaysia
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Oxytocin modulates group organization in free-moving horses2023

    • Author(s)
      Brooks, J Maeda, T, Ringhofer, M, Yamamoto, S
    • Organizer
      18th International Symposium on Primatology and Wildlife Science, Kyoto, Japan
    • Related Report
      2023 Annual Research Report
  • [Presentation] Oxytocin, affiliation, and group-mindedness2023

    • Author(s)
      Brooks, J
    • Organizer
      Diverse Intelligences Summit
    • Related Report
      2023 Annual Research Report
  • [Presentation] The founder sociality hypothesis2022

    • Author(s)
      Brooks, J, Yamamoto, S
    • Organizer
      17th International Symposium on Primatology and Wildlife Science
    • Related Report
      2022 Annual Research Report
  • [Presentation] Oxytocin can promote social grooming in bonobos2022

    • Author(s)
      Brooks, J, Kano, F, Yeow, H, Morimura, N, Yamamoto, S
    • Organizer
      Animal Behaviour Society 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Contagious urination among captive chimpanzees: Investigation of initiator and follower2022

    • Author(s)
      Onishi, E, Inoue, S, Brooks, J, Yamamoto, S
    • Organizer
      International Society for Behavioural Ecology Congress 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Perceived outgroup threat promotes ingroup cohesion in chimpanzees2022

    • Author(s)
      Brooks, J, Onishi, E, Clarke, I, Bohn, M, Yamamoto, S
    • Organizer
      International Society for Behavioural Ecology Congress 2022
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Oxytocin promotes species-relevant outgroup attention in bonobos and chimpanzees2022

    • Author(s)
      Brooks, J, Kano, F, Kawaguchi, Y, Yamamoto, S
    • Organizer
      82nd Annual Conference of the Japan Society for Animal Psychology
    • Related Report
      2022 Annual Research Report
  • [Presentation] Oxytocin promotes species-relevant social attention in bonobos and chimpanzees2022

    • Author(s)
      James Brooks, Fumihiro Kano, Shinya Yamamoto
    • Organizer
      International Primatological Society
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The founder sociality hypothesis2022

    • Author(s)
      James Brooks, Shinya Yamamoto
    • Organizer
      17th International Symposium on Primatology and Wildlife Science
    • Related Report
      2021 Annual Research Report
  • [Presentation] Oxytocin promotes social grooming in bonobos: evidence for a biobehavioural feedback loop2021

    • Author(s)
      James Brooks, Fumihiro Kano, Hanling Yeow, Naruki Morimura, Shinya Yamamoto
    • Organizer
      16th International Symposium on Primatology and Wildlife Science
    • Related Report
      2021 Annual Research Report

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Published: 2021-05-27   Modified: 2024-12-25  

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