期刊
DRUG AND ALCOHOL DEPENDENCE
卷 90, 期 -, 页码 S85-S91出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.drugalcdep.2006.09.016
关键词
behavioral economics; neuroeconomics; temporal discounting; functional magnetic resonance imaging (fMRI); addiction; decision making
资金
- NATIONAL INSTITUTE ON DRUG ABUSE [R37DA006526, R01DA024080, R01DA011692] Funding Source: NIH RePORTER
- NIDA NIH HHS [R01 DA024080, R01 DA011692, R01 DA 11692, R01 DA011692-10, R37 DA006526, R37 DA006526-18, R37 DA 006526] Funding Source: Medline
We review behavioral- and neuroeconomic research that identifies temporal discounting as an important component in the development and maintenance of drug addiction. First, we review behavioral economic research that explains and documents the contribution of temporal discounting to addiction. This is followed with recent insights from neuroeconomics that may provide an explanation of why drug-dependent individuals discount the future. Specifically. neuroeconomics has identified two competing neural systems that are related to temporal discounting using brain-imaging techniques that examine the relative activation of different brain regions for temporal discounting. According to the competing neural systems account, choices for delayed outcomes are related to the prefrontal cortex (i.e., the executive system) and choices for immediate outcomes are related to the limbic brain regions (i.e., the impulsive system). Temporal discounting provides a useful framework for future imaging research, and suggests a novel approach to designing effective drug dependence prevention and treatment programs. (c) 2006 Elsevier Ireland Ltd. All rights reserved.
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