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Stock market fluctuations impact the emotional brain on a population level

View ORCID ProfileAlexander V. Lebedev, Christoph Abe, Kasim Acar, View ORCID ProfileWilliam H. Thompson, View ORCID ProfileMartin Ingvar, View ORCID ProfilePredrag Petrovic
doi: https://doi.org/10.1101/2020.10.07.329201
Alexander V. Lebedev
Department of Clinical Neuroscience, Karolinska Institutet, Sweden
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  • For correspondence: alexander.lebedev@ki.se
Christoph Abe
Department of Clinical Neuroscience, Karolinska Institutet, Sweden
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Kasim Acar
Department of Clinical Neuroscience, Karolinska Institutet, Sweden
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William H. Thompson
Department of Clinical Neuroscience, Karolinska Institutet, Sweden
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Martin Ingvar
Department of Clinical Neuroscience, Karolinska Institutet, Sweden
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Predrag Petrovic
Department of Clinical Neuroscience, Karolinska Institutet, Sweden
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Summary

Previous research suggests that market and population well-being are related 1–7. However, the underlying mechanisms remain unclear. Using UK-biobank data we confirmed a significant association between a local stock market index (FTSE100) and mood of 479,791 subjects, and demonstrated that FTSE100 exhibits significant association with volumetric measures of the brain regions involved in affective processing in 39,755 subjects. Market decline (lower index scores) was associated with larger volumes of amygdala, nucleus accumbens, and orbitofrontal cortex, whereas insula and cingulate cortex exhibited opposite relationship. The effects were particularly strong in lowest- and highest-income citizens. More distant markets had a weaker relation to these regions. Toda-Yamamoto Granger causality tests 8 indicated that the direct market-brain path is stronger than the opposite. Our findings suggest how global events impact the population brain encouraging sustainable and well-being-oriented economic decision-making 9,10.

The study was preregistered in The Open Science Framework Registry (https://osf.io/h52gk).

Competing Interest Statement

The authors have declared no competing interest.

Footnotes

  • https://www.ukbiobank.ac.uk

  • https://finance.yahoo.com

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted October 08, 2020.
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Stock market fluctuations impact the emotional brain on a population level
Alexander V. Lebedev, Christoph Abe, Kasim Acar, William H. Thompson, Martin Ingvar, Predrag Petrovic
bioRxiv 2020.10.07.329201; doi: https://doi.org/10.1101/2020.10.07.329201
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Stock market fluctuations impact the emotional brain on a population level
Alexander V. Lebedev, Christoph Abe, Kasim Acar, William H. Thompson, Martin Ingvar, Predrag Petrovic
bioRxiv 2020.10.07.329201; doi: https://doi.org/10.1101/2020.10.07.329201

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