Conditioned place preference (CPP) continues to be one of the most popular models to
study the motivational effects of drugs and non‐drug treatments in experimental animals …

primate research suggests that affiliation is a highly complex construct. studies of primate
affiliation demonstrate the need to distinguish between various affiliative behaviors, consider …

This review updates the existing knowledge suggesting a role for the D3 receptor in
schizophrenia and drug addiction. The D3 receptor is expressed in brain regions controlling …

Dopamine (DA)-containing neurons involved in the regulation of sleep and waking (W) arise
in the ventral tegmental area (VTA) and the substantia nigra pars compacta (SNc). The VTA …

Mu opioid receptors mediate positive reinforcement following direct (morphine) or indirect
(alcohol, cannabinoids, nicotine) activation, and our understanding of mu receptor function …

Numerous studies dissecting the basic mechanisms that control sleep regulation have led to
considerable improvement in our knowledge of sleep disorders. It is now well accepted that …

This paper is the 28th consecutive installment of the annual review of research concerning
the endogenous opioid system, now spanning over a quarter-century of research. It …

The cDNA for the dopamine D3 receptor was isolated and characterized in 1990.
Subsequent studies have indicated that D3 receptors, as well as D3 receptor mRNA, are …

Insights into the Role of Dopamine Receptor Systems in Learning and Memory Page 1 ©
Freund & Pettman, UK Reviews in the Neurosciences, 18, 37-66 (2007) Insights into the Role …

Abused drugs (alcohol, heroin, cocaine, tetrahydrocannabinol and nicotine) elicit a variety of
chronically relapsing disorders by interacting with brain reward systems. All of these drugs …