Social dominance in monkeys

Dopamine D2 receptors and cocaine self-administration

Drake Morgan, Kathleen (Kathy) Grant, H. Donald Gage, Robert H. Mach, Jay R. Kaplan, Osric Prioleau, Susan H. Nader, Nancy Buchheimer, Richard L. Ehrenkaufer, Michael A. Nader

Research output: Contribution to journalArticle

449 Citations (Scopus)

Abstract

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 monkeys. These neurobiological changes had an important behavioral influence as demonstrated by the finding that cocaine functioned as a reinforcer in subordinate but not dominant monkeys. These data demonstrate that alterations in an organism's environment can produce profound biological changes that have important behavioral associations, including vulnerability to cocaine addiction.

Original languageEnglish (US)
Pages (from-to)169-174
Number of pages6
JournalNature Neuroscience
Volume5
Issue number2
DOIs
StatePublished - 2002
Externally publishedYes

Fingerprint

Social Dominance
Self Administration
Dopamine D2 Receptors
Cocaine
Haplorhini
Cocaine-Related Disorders
Macaca
Positron-Emission Tomography
Substance-Related Disorders
Brain

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Morgan, D., Grant, K. K., Gage, H. D., Mach, R. H., Kaplan, J. R., Prioleau, O., ... Nader, M. A. (2002). Social dominance in monkeys: Dopamine D2 receptors and cocaine self-administration. Nature Neuroscience, 5(2), 169-174. https://doi.org/10.1038/nn798

Social dominance in monkeys : Dopamine D2 receptors and cocaine self-administration. / Morgan, Drake; Grant, Kathleen (Kathy); Gage, H. Donald; Mach, Robert H.; Kaplan, Jay R.; Prioleau, Osric; Nader, Susan H.; Buchheimer, Nancy; Ehrenkaufer, Richard L.; Nader, Michael A.

In: Nature Neuroscience, Vol. 5, No. 2, 2002, p. 169-174.

Research output: Contribution to journalArticle

Morgan, D, Grant, KK, Gage, HD, Mach, RH, Kaplan, JR, Prioleau, O, Nader, SH, Buchheimer, N, Ehrenkaufer, RL & Nader, MA 2002, 'Social dominance in monkeys: Dopamine D2 receptors and cocaine self-administration', Nature Neuroscience, vol. 5, no. 2, pp. 169-174. https://doi.org/10.1038/nn798
Morgan, Drake ; Grant, Kathleen (Kathy) ; Gage, H. Donald ; Mach, Robert H. ; Kaplan, Jay R. ; Prioleau, Osric ; Nader, Susan H. ; Buchheimer, Nancy ; Ehrenkaufer, Richard L. ; Nader, Michael A. / Social dominance in monkeys : Dopamine D2 receptors and cocaine self-administration. In: Nature Neuroscience. 2002 ; Vol. 5, No. 2. pp. 169-174.
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