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    The effect of nicotine on sign-tracking and goal-tracking in a Pavlovian conditioned approach paradigm in rats

    Nicotine (NIC) potently increases operant responding for non-NIC reinforcers, and this effect may depend on drug-mediated increases in incentive motivation. According to this hypothesis, NIC should also potent...

    Matthew I. Palmatier, Kimberley R. Marks, Scott A. Jones in Psychopharmacology (2013)