Amphetamine-Induced Sensitization and Reward Uncertainty Similarly Enhance Incentive Salience for Conditioned Cues

Amphetamine and stress can sensitize mesolimbic dopamine-related systems. In Pavlovian autoshaping, repeated exposure to uncertainty of reward prediction can enhance motivated sign-tracking or attraction to a discrete reward-predicting cue (lever-conditioned stimulus; CS+), as well as produce cross-...

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