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Spontaneous Blink Rate Correlates With Financial Risk Taking

Emily Sherman, Robert C Wilson
doi: https://doi.org/10.1101/046821
Emily Sherman
1BASIS Scottsdale
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Robert C Wilson
2Department of Psychology and Cognitive Science Program, University of Arizona
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  • For correspondence: bob@arizona.edu
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Abstract

Dopamine has long been thought to play a role in risky decision-making, with higher tonic levels of dopamine associated with more risk seeking behavior. In this work, we aimed to shed more light on this relationship using spontaneous blink rate as an indirect measure of dopamine. In particular we used video recording to measure blink rate and a decision-making survey to measure risk taking in 45 participants. Consistent with previous work linking dopamine to risky decisions, we found a strong positive correlation between blink rate and the number of risky choices a participant made. This correlation was not dependent on age or gender and was identical for both gain and loss framing. This work suggests that dopamine plays a crucial and quite general role in determining risk attitude across the population and validates this simple method of probing dopamine for decision-making research.

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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 4.0 International license.
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Posted April 02, 2016.
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Spontaneous Blink Rate Correlates With Financial Risk Taking
Emily Sherman, Robert C Wilson
bioRxiv 046821; doi: https://doi.org/10.1101/046821
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Spontaneous Blink Rate Correlates With Financial Risk Taking
Emily Sherman, Robert C Wilson
bioRxiv 046821; doi: https://doi.org/10.1101/046821

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