Two dimensions of value: Dopamine neurons represent reward but not aversiveness

[unable to retrieve full-text content]The experiments reported here show that dopamine neurons are sensitive to the value of reward but not punishment (like the aversiveness of a bitter taste). This demonstrates that reward and aversiveness are represented as two discrete dimensions (or categories) in the brain.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/mind_brain/consumer_behavior/~3/B3zsGC1Iig0/130801142319.htm

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