A selective role for dopamine in stimulus-reward learning.
Nature. 2011 Jan 6; 469(7328):53-7
Robert Sapolsky
21 Feb 2012
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New Finding
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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