Article (Scientific journals)
Stimulant and motivational effects of alcohol: Lessons from rodent and primate models
Brabant, Christian; Guarnieri, Douglas J.; Quertemont, Etienne
2014In Pharmacology, Biochemistry and Behavior, 122, p. 37-52
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Keywords :
Alcohol; Dopamine; Locomotion; Reward; Reinforcement; Alcoholism
Abstract :
[en] In several animal species including humans, the acute administration of low doses of alcohol increasesmotor activity. Different theories have postulated that alcohol-induced hyperactivity is causally related to alcoholism.Moreover, a common biological mechanism in the mesolimbic dopamine system has been proposed to mediate the stimulant and motivational effects of alcohol. Numerous studies have examined whether alcohol-induced hyperactivity is related to alcoholism using a great variety of animal models and several animal species. However, there is no review that has summarized this extensive literature. In this article, we present the various experimental models that have been used to study the relationship between the stimulant and motivational effects of alcohol in rodents and primates. Furthermore, we discuss whether the theories hypothesizing a causal link between alcohol-induced hyperactivity and alcoholism are supported by published results. The reviewed findings indicate that animal species that are stimulated by alcohol also exhibit alcohol preference. Additionally, the role of dopamine in alcohol-induced hyperactivity is well established since blocking dopaminergic activity suppresses the stimulant effects of alcohol. However, dopamine transmission plays a much more complex function in the motivational properties of alcohol and the neuronal mechanisms involved in alcohol stimulation and reward are distinct. Overall, the current review provides mixed support for theories suggesting that the stimulant effects of alcohol are related to alcoholism and highlights the importance of animal models as a way to gain insight into alcoholism.
Research center :
Centre de Neurosciences Cognitives et Comportementales - ULiège
Disciplines :
Animal psychology, ethology & psychobiology
Psychiatry
Pharmacy, pharmacology & toxicology
Neurosciences & behavior
Author, co-author :
Brabant, Christian ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Psychologie quantitative
Guarnieri, Douglas J.
Quertemont, Etienne  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Psychologie quantitative
Language :
English
Title :
Stimulant and motivational effects of alcohol: Lessons from rodent and primate models
Publication date :
2014
Journal title :
Pharmacology, Biochemistry and Behavior
ISSN :
0091-3057
Publisher :
Elsevier, Tarrytown, United States - New York
Volume :
122
Pages :
37-52
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 12 May 2014

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