Social dominance in monkeys: dopamine D2 receptors and cocaine self-administration

  title={Social dominance in monkeys: dopamine D2 receptors and cocaine self-administration},
  author={Drake Morgan and Kathleen A. Grant and H. Donald Gage and Robert H. Mach and Jay R. Kaplan and Osric Prioleau and Susan H. Nader and Nancy C. Buchheimer and Richard L. Ehrenkaufer and Michael A. Nader},
  journal={Nature Neuroscience},
Disruption of the dopaminergic system has been implicated in the etiology of many pathological conditions, including drug addiction. Here we used positron emission tomography (PET) imaging to study brain dopaminergic function in individually housed and in socially housed cynomolgus macaques (n = 20). Whereas the monkeys did not differ during individual housing, social housing increased the amount or availability of dopamine D2 receptors in dominant monkeys and produced no change in subordinate… CONTINUE READING
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a critical review

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