Interoceptive Ability Predicts Survival on a London Trading Floor
Narayanan Kandasamy1,*, Sarah N. Garfinkel2,*, Lionel Page3,*, Ben Hardy4,
Hugo D. Critchley2, Mark Gurnell1 & John M. Coates4
Interoception is the sensing of physiological signals originating inside the body, such as hunger, pain
and heart rate. People with greater sensitivity to interoceptive signals, as measured by, for example,
tests of heart beat detection, perform better in laboratory studies of risky decision-making. However,
there has been little field work to determine if interoceptive sensitivity contributes to success in realworld, high-stakes risk taking. Here, we report on a study in which we quantified heartbeat detection skills in a group of financial traders working on a London trading floor. We found that traders are better able to perceive their own heartbeats than matched controls from the non-trading population.Moreover, the interoceptive ability of traders predicted their relative profitability, and strikingly, how
long they survived in the financial markets. Our results suggest that signals from the body - the gut
feelings of financial lore - contribute to success in the markets.
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