Impulsive decision making and working memory

被引:355
作者
Hinson, JM [1 ]
Jameson, TL [1 ]
Whitney, P [1 ]
机构
[1] Washington State Univ, Dept Psychol, Pullman, WA 99164 USA
关键词
D O I
10.1037/0278-7393.29.2.298
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Decision making that favors short-term over long-term consequences of action, defined as impulsive or temporally myopic, may be related to individual differences in the executive functions of working memory (WM). In the first 2 experiments, participants made delay discounting (DD) judgments under different WM load conditions. In a 3rd experiment, participants high or low on standardized measures of impulsiveness and dysexecutive function were asked to make DD judgments. A final experiment examined WM load effects on DD when monetary rewards were real rather than hypothetical. The results showed that higher WM load led to greater discounting of delayed monetary rewards. Further, a strong direct relation was found between measures of impulsiveness, dysexecutive function, and discounting of delayed rewards. Thus, limits on WM function, either intrinsic or extrinsic, are predictive of a more impulsive decision-making style.
引用
收藏
页码:298 / 306
页数:9
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