Psychology

Surprising Sounds Influence Risky Decision Making

G. W. Feng and R. B. Rutledge

This study by Gloria W. Feng and Robb B Rutledge reveals fascinating insights into how unexpected sounds can dramatically influence our risk-taking behavior. Through experiments involving rare auditory sequences, the research uncovers a surprising link between incidental sounds and our everyday decisions, demonstrating that our choices are swayed not just by the options before us, but by the world around us.

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Index

Abstract

This study investigates the impact of task-irrelevant sensory prediction errors on risky decision-making. Across seven experiments (n=1600), rare auditory sequences preceding option presentation consistently increased risk-taking and decreased choice perseverance. Computational modeling indicates that these effects are not due to increased decision noise but are explained by value-independent risky bias and perseverance parameters, linked to dopamine. Control experiments show that these effects disappear with balanced or predictable auditory sequences. The findings suggest incidental sounds significantly influence daily decisions.

Publisher

Nature Communications

Published On

Sep 13, 2024

Authors

Gloria W. Feng, Robb B Rutledge

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