Feeding, drug abuse, and the sensitization of reward by metabolic need

@article{Carr1996FeedingDA,
  title={Feeding, drug abuse, and the sensitization of reward by metabolic need},
  author={Kenneth D Carr},
  journal={Neurochemical Research},
  year={1996},
  volume={21},
  pages={1455-1467}
}
The incentive-motivating effects of external stimuli are dependent, in part, upon the internal need state of the organism. The increased rewarding efficacy of food as a function of energy deficit, for example, has obvious adaptive value. The enhancement of food reward extends, however, to drugs of abuse and electrical brain stimulation, probably due to a shared neural substrate. Research reviewed in this paper uses lateral hypothalamic electrical stimulation to probe the sensitivity of the… CONTINUE READING

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