Forscher fanden heraus, dass das Hören eines unerwarteten Geräuschs kurz vor einer Entscheidung die Ausschüttung von Dopamin auslöst, was dazu führt, dass Menschen risikoreichere Entscheidungen treffen

>When you make a decision, certain neurons in your brain emit short bursts of the neurotransmitter dopamine. A new Yale study shows that when other factors wholly unrelated to the decision at hand — such as an unexpected sound — trigger these dopamine bursts it can lead to riskier decision-making.
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>The findings demonstrate how sounds around us may affect our choices and could also help researchers better understand dopamine systems in the brain and how they contribute to conditions like schizophrenia and depression.
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>That’s because the sound may indicate something important, said Rutledge, like something rewarding. When we make a decision, short dopamine bursts may be involved, in part, because the brain is weighing how rewarding the options are

Paper: [Surprising sounds influence risky decision making | Nature Communications](https://www.nature.com/articles/s41467-024-51729-4)

Could be a very old hunting mechanism. When you hear pray move you pounce, because the likelihood of catching it if you hesitate once it starts moving drops sharply.