How the brain translates money into force: a neuroimaging study of subliminal motivation.

How the brain translates money into force: a neuroimaging study of subliminal motivation.
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DOI:
10.1126/science.1140459
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发表时间:
2007-05-11
期刊:
影响因子:
56.9
通讯作者:
Frith, Chris D.
Frith, Chris D.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Pessiglione, Mathias;Schmidt, Liane;Draganski, Bogdan;Kalisch, Raffael;Lau, Hakwan;Dolan, Ray J.;Frith, Chris D.

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人类的无意识动机通常是推断出来的,但很少有经验证明。我们想象的动机过程中,实施的一个范例,不同的金额和可报告性的金钱奖励,受试者付出身体的努力。我们表明,即使当受试者不能报告有多少钱处于危险之中,他们仍然部署更多的力量,更高的金额。这种激励效应是由特定的基底前脑区域的参与所支撑的。因此,我们的发现揭示了这个区域是大脑回路中的一个关键节点,它使预期的奖励能够激励行为,而不需要受试者的意识。
Unconscious motivation in humans is often inferred but rarely demonstrated empirically. We imaged motivational processes, implemented in a paradigm that varied the amount and reportability of monetary rewards for which subjects exerted physical effort. We show that, even when subjects cannot report how much money is at stake, they nevertheless deploy more force for higher amounts. Such a motivational effect is underpinned by engagement of a specific basal forebrain region. Our findings thus reveal this region as a key node in brain circuitry that enables expected rewards to energize behavior, without the need for the subjects’ awareness.
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