Cigarette smokers discount past and future rewards symmetrically and more than controls: Is discounting a measure of impulsivity?

被引：99

作者：

Bickel, Warren K. ^{[1
]}

Yi, Richard ^{[1
]}

Kowal, Benjamin R. ^{[1
]}

Gatchalian, Kirstin M. ^{[1
]}

机构：

[1] Univ Arkansas Med Sci, Addict Res Ctr, Fred & Louise Dierks Res Labs, Inst Psychiat Res, Little Rock, AR 72205 USA

来源：

DRUG AND ALCOHOL DEPENDENCE | 2008年 / 96卷 / 03期

关键词：

decision-making; delay discounting; cigarette smoking; tobacco; behavioral economics; impulsivity;

D O I：

10.1016/j.drugalcdep.2008.03.009

中图分类号：

R194 [卫生标准、卫生检查、医药管理];

学科分类号：

摘要：

A considerable body of evidence indicates that consideration of the future and past are related. Future discounting studies indicate that cigarette smokers discount future outcomes more than non-smokers. The purpose of the present study was to determine if a similar profile of results could be obtained with a novel procedure evaluating the discounting of past outcomes, providing further support for future/past symmetry. Thirty cigarette smokers and 29 non-smokers participated in a computerized assessment of discounting of hypothetical future and past outcomes. Symmetry was supported, with a similar profile of results in future and past discounting procedures. These included: hyperbolic discounting, greater discounting of small-magnitude outcomes than large-magnitude outcomes, and greater discounting by cigarette smokers relative to non-smokers. (C) 2008 Elsevier Ireland Ltd. All rights reserved.

引用

页码：256 / 262

页数：7

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