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Université de Fribourg

Adaptive coding of reward value by dopamine neurons

Tobler, Philippe N. ; Fiorillo, Christopher D. ; Schultz, Wolfram

In: Science, 2001, vol. 307, no. 5715, p. 1642-1645

It is important for animals to estimate the value of rewards as accurately as possible. Because the number of potential reward values is very large, it is necessary that the brain's limited resources be allocated so as to discriminate better among more likely reward outcomes at the expense of less likely outcomes. We found that midbrain dopamine neurons rapidly adapted to the information provided...