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Neural representations of equal opportunity and equal outcome during fairness decisions

Research Project

Project/Area Number 16K21301
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Experimental psychology
Cognitive science
Research InstitutionKochi University of Technology

Principal Investigator

Aoki Ryuta  高知工科大学, フューチャー・デザイン研究所, 講師 (50751103)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
KeywordsfMRI / 神経経済学 / 脳機能イメージング / 社会神経科学
Outline of Final Research Achievements

The purpose of this study was to investigate how the human brain instantiates multi-dimensional fairness decisions by taking both "equal opportunity" and "equal outcome" into account. We used functional magnetic resonance imaging (fMRI) and obtained data from forty undergraduate students. Using representational similarity analysis (RSA) of the fMRI data, we found that the neural encoding strengths in the anterior insula and ventromedial prefrontal cortex were modulated in a context-dependent manner (i.e., equal- vs. unequal-opportunity contexts). This result suggests that these two brain regions play a key role in fairness decisions where both equal opportunity and equal outcome matter.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (9 results)

All 2017 2016 Other

All Int'l Joint Research (4 results) Presentation (5 results) (of which Int'l Joint Research: 2 results)

  • [Int'l Joint Research] California Institute of Technology(米国)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] University of York(United Kingdom)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] Califonia Institute of Technology(米国)

    • Related Report
      2016 Research-status Report
  • [Int'l Joint Research] University of York(United Kingdom)

    • Related Report
      2016 Research-status Report
  • [Presentation] Neuro-representational accounts for process-dependent fairness decisions2017

    • Author(s)
      Aoki R, Imai T, Suzuki S, Izuma K, Yomogida Y, Iijima K, Adolphs R, Camerer CF, Nakahara K, Matsumoto K
    • Organizer
      The 47th Annual Meeting of the Society for Neuroscience
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Neuro-representational accounts for process-dependent fairness decisions2017

    • Author(s)
      Aoki R, Imai T, Suzuki S, Izuma K, Yomogida Y, Iijima K, Adolphs R, Camerer CF, Nakahara K, Matsumoto K
    • Organizer
      日本神経科学大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 手続き的公正の神経基盤:representational similarity analysis による検 討2017

    • Author(s)
      青木隆太,今井泰祐,鈴木真介,出馬圭世,蓬田幸人,飯島和 樹,Ralph Adolphs,Colin F. Camerer,中原潔,松元健二
    • Organizer
      ヒト脳イメージン グ研究会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Feasibility of multiband EPI for detection of brain activation in the reward system2016

    • Author(s)
      Mitra Taghizadeh-Sarabi, Ruedeerat Keerativittayayut, Kiyoshi Nakahara, Ryuta Aoki
    • Organizer
      The 46th Annual Meeting of the Society for Neuroscience
    • Place of Presentation
      San Diego, USA
    • Year and Date
      2016-11-15
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] Measuring reward-related brain activations with multiband EPI2016

    • Author(s)
      Ryuta Aoki, Mitra Taghizadeh-Sarabi, Ruedeerat Keerativittayayut, Kiyoshi Nakahara
    • Organizer
      第39回日本神経科学大会
    • Place of Presentation
      横浜
    • Year and Date
      2016-07-20
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2022-06-07  

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