The Speed-Accuracy Trade-Off
Dopamine is associated with a number of aspects of reward learning and action selection. The neurotransmitter also plays a role in various mental disorders and is important for self-motivation: according to one theory, it regulates how much effort is spent on actions, or how quickly they are performed.
In addition to its well-known functions, dopamine also seems to regulate a speed-accuracy trade-off. This describes the complex relation between a person's willingness to react slowly and make relatively fewer mistakes, and their willingness to react quickly and make relatively more mistakes.
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A recent study provides new insight into the relationship between the release of the neurotransmitter dopamine and decision-making processes. The scientists found that when dopamine is released, decisions are made faster, but tend to be more inaccurate.
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