Abstract:
:Drug-addicted individuals show high levels of impulsive choice, characterized by preference for small immediate over larger but delayed rewards. Although the causal relationship between chronic drug use and elevated impulsive choice in humans has been unclear, a small but growing body of literature over the past decade has shown that chronic drug administration in animal models can cause increases in impulsive choice, suggesting that a similar causal relationship may exist in human drug users. This article reviews this literature, with a particular focus on the effects of chronic cocaine administration, which have been most thoroughly characterized. The potential mechanisms of these effects are described in terms of drug-induced neural alterations in ventral striatal and prefrontal cortical brain systems. Some implications of this research for pharmacological treatment of drug-induced increases in impulsive choice are discussed, along with suggestions for future research in this area.
journal_name
Behav Pharmacoljournal_title
Behavioural pharmacologyauthors
Setlow B,Mendez IA,Mitchell MR,Simon NWdoi
10.1097/FBP.0b013e3283305eb4subject
Has Abstractpub_date
2009-09-01 00:00:00pages
380-9issue
5-6eissn
0955-8810issn
1473-5849journal_volume
20pub_type
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journal_title:Behavioural pharmacology
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journal_title:Behavioural pharmacology
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journal_title:Behavioural pharmacology
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