A selective role for dopamine in stimulus-reward learning.
Nature. 2011 Jan 6; 469(7328):53-7
Flagel SB, Clark JJ, Robinson TE, Mayo L, ..., Akers CA, Clinton SM, Phillips PE, Akil H. Flagel SB, Clark JJ, Robinson TE, Mayo L, Czuj A, Willuhn I, Akers CA, Clinton SM, Phillips PE, Akil H. Nature. 2011 Jan 6; 469(7328):53-7
This is an interesting paper on the neurochemistry of Pavlovian conditioning that, at least to me, demonstrates something that seems intuitively right: there is individual variability as to how much a conditioned stimulus (CS) has incentive value for a rat.
In such conditioning, there is the unconditioned stimulus (US; e.g. salivating for food)...
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