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Brain response patterns to economic inequity predict present and future depression indices

Author

Listed:
  • Toshiko Tanaka

    (National Institute of Information and Communications Technology
    Tamagawa University)

  • Takao Yamamoto

    (NHK (Japan Broadcasting Corporation))

  • Masahiko Haruno

    (National Institute of Information and Communications Technology
    Tamagawa University)

Abstract

Widening economic inequity has been suggested to associate with depression. However, little is known about the underlying neural mechanisms of this link. Here, we demonstrate that functional magnetic resonance imaging activity patterns in the amygdala and hippocampus induced by the inequity between the self and other rewards during an economic game can predict participants’ present and future (measured one year later) depression indices. Such predictions were not possible using participant’s behavioural and socio-economic status measures. These findings suggest that sensitivity to economic inequity has a critical effect on human mood states, and the amygdala and hippocampus play a key role in individual differences in the effect.

Suggested Citation

  • Toshiko Tanaka & Takao Yamamoto & Masahiko Haruno, 2017. "Brain response patterns to economic inequity predict present and future depression indices," Nature Human Behaviour, Nature, vol. 1(10), pages 748-756, October.
    • Handle: RePEc:nat:nathum:v:1:y:2017:i:10:d:10.1038_s41562-017-0207-1
    DOI: 10.1038/s41562-017-0207-1
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    Cited by:

    1. Tiaan MEIRING & Catherine KANNEMEYER & Elnari POTGIETER, 2018. "The Gap Between Rich and Poor: South African Society’s Biggest Divide Depends on Where You Think You Fit In," Working Paper ffd19ae8-4b12-4b82-b218-8, Agence française de développement.
    2. Beinhocker, Eric, 2022. "Fair Social Contracts and the Foundations of Large-Scale Collaboration," INET Oxford Working Papers 2022-26, Institute for New Economic Thinking at the Oxford Martin School, University of Oxford.

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