The Psychology of Everyday Life: Motivation and the Search For Happiness

The Biology of Money

What are the drawbacks of the dopamine system?

The reward system has evolved over millions of years to help us recognize the presence of rewards and to motivate us to expend considerable energy to pursue and obtain them. However, it is not foolproof. For one, it responds to the intensity of a reward but not the probability. Secondly, it is over-responsive to novelty, or intermittent reinforcement. Thirdly, it does not do well with randomness.


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