This study investigates the neural correlates of subjective value during intertemporal choice using functional magnetic resonance imaging (fMRI). The researchers found that neural activity in the ventral striatum, medial prefrontal cortex, and posterior cingulate cortex tracks the revealed subjective value of delayed monetary rewards. This suggests that these brain regions explicitly represent the subjective value of potential rewards, providing unambiguous evidence that subjective value is encoded in the human brain. The study also demonstrates a psychometric-neurometric match, where the neural activity in these regions precisely tracks the subjective value of rewards as determined from behavior. This finding falsifies the hypothesis that these regions exclusively value immediate rewards and supports the idea that they are involved in the valuation of both immediate and delayed outcomes. The results have implications for both neuroscience and economics, suggesting that the physical mechanism underlying intertemporal choice is similar to revealed preference models.This study investigates the neural correlates of subjective value during intertemporal choice using functional magnetic resonance imaging (fMRI). The researchers found that neural activity in the ventral striatum, medial prefrontal cortex, and posterior cingulate cortex tracks the revealed subjective value of delayed monetary rewards. This suggests that these brain regions explicitly represent the subjective value of potential rewards, providing unambiguous evidence that subjective value is encoded in the human brain. The study also demonstrates a psychometric-neurometric match, where the neural activity in these regions precisely tracks the subjective value of rewards as determined from behavior. This finding falsifies the hypothesis that these regions exclusively value immediate rewards and supports the idea that they are involved in the valuation of both immediate and delayed outcomes. The results have implications for both neuroscience and economics, suggesting that the physical mechanism underlying intertemporal choice is similar to revealed preference models.