Impulsive actions and choices in laboratory animals and humans: effects of high vs. low dopamine states produced by systemic treatments given to neurologically intact subjects

Increases and decreases in dopamine (DA) transmission have both been suggested to influence reward-related impulse-control. The present literature review suggests that, in laboratory animals, the systemic administration of DA augmenters preferentially increases susceptibility to premature responding...

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Published inFrontiers in behavioral neuroscience Vol. 8; p. 432
Main Authors D’Amour-Horvat, Valérie, Leyton, Marco
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Research Foundation 23.12.2014
Frontiers Media S.A
Subjects
Addiction
Amphetamines
Animal cognition
Behavior
Cocaine
compulsivity
Decision making
Dopamine
Gambling
Impulsivity
Laboratory animals
Literature reviews
Motivation
Neuroscience
Neurosciences
Psychopharmacology
Reinforcement
Canada
Montreal Quebec Canada
gambling
impulsivity
compulsivity
addiction
motivation
Online AccessGet full text
ISSN1662-5153
1662-5153
DOI10.3389/fnbeh.2014.00432

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Summary:Increases and decreases in dopamine (DA) transmission have both been suggested to influence reward-related impulse-control. The present literature review suggests that, in laboratory animals, the systemic administration of DA augmenters preferentially increases susceptibility to premature responding; with continued DA transmission, reward approach behaviors are sustained. Decreases in DA transmission, in comparison, diminish the appeal of distal and difficult to obtain rewards, thereby increasing susceptibility to temporal discounting and other forms of impulsive choice. The evidence available in humans is not incompatible with this model but is less extensive.
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Edited by: Jozsef Haller, Institute of Experimental Medicine, Hungary
This article was submitted to the journal Frontiers in Behavioral Neuroscience.
Reviewed by: Christelle Baunez, Centre National de la Recherche Scientifique, France; Juan Dominguez, University of Texas at Austin, USA
ISSN:1662-5153
1662-5153
DOI:10.3389/fnbeh.2014.00432