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Review
. 1994:145:1-18.

Role for the mesocortical dopamine system in the motivating effects of cocaine

G F Koob  1 , B Caine, A Markou, L Pulvirenti, F Weiss
Affiliations
  • PMID: 8742805
Review

Role for the mesocortical dopamine system in the motivating effects of cocaine

G F Koob et al. NIDA Res Monogr. 1994.

Abstract

The search for a neurobiological substrate for the stimulant and reinforcing properties of cocaine has focused for some time on a particular part of the forebrain, the mesocorticolimbic dopamine (DA) system. This mesocorticolimbic DA system innervates the region of the nucleus accumbens (NACC) (ventral striatum) in the anterior part of the basal forebrain and appears to play a critical role in mediating the acute reinforcing effects of cocaine and amphetamine. This chapter reviews the role of mesocorticolimbic DA in the reinforcing properties of psychomotor stimulants as measured by intravenous (IV) drug self-administration in rats. In addition, the primary neuropharmacological mechanism for cocaine reinforcement provides a rich substrate for studying nondopaminergic modulation of the reinforcing actions of cocaine.

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