Aarts Esther, Wallace Deanna L, Dang Linh C, Jagust William J, Cools Roshan, D'Esposito Mark
1Helen Wills Neuroscience Institute, University of California, Berkeley.
Psychol Sci. 2014 Apr;25(4):1003-9. doi: 10.1177/0956797613517240. Epub 2014 Feb 13.
It is often assumed that the promise of a monetary bonus improves cognitive control. We show that in fact appetitive motivation can also impair cognitive control, depending on baseline levels of dopamine-synthesis capacity in the striatum. These data not only demonstrate that appetitive motivation can have paradoxical detrimental effects for cognitive control but also provide a mechanistic account of these effects.
人们通常认为金钱奖励的承诺能改善认知控制。我们表明，事实上，欲望动机也会损害认知控制，这取决于纹状体中多巴胺合成能力的基线水平。这些数据不仅证明了欲望动机对认知控制可能产生矛盾的有害影响，还为这些影响提供了一个机制解释。
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