MEASURING BELIEFS AND REWARDS: A NEUROECONOMIC APPROACH

被引：36

作者：

Caplin, Andrew ^{[1
]}

Dean, Mark ^{[2
]}

Glimcher, Paul W. ^{[1
]}

Rutledge, Robb B. ^{[3
]}

机构：

[1] NYU, Ctr Neuroecon, New York, NY 10003 USA

[2] Brown Univ, Providence, RI 02912 USA

[3] NYU, Ctr Neural Sci, New York, NY 10003 USA

来源：

QUARTERLY JOURNAL OF ECONOMICS | 2010年 / 125卷 / 03期

关键词：

PREDICTION ERROR; DOPAMINE NEURONS; TEMPORAL PREDICTION; NUCLEUS-ACCUMBENS; RESPONSES; PROBABILITY; SEROTONIN; DECISION; MODELS;

D O I：

10.1162/qjec.2010.125.3.923

中图分类号：

F [经济];

学科分类号：

02 ;

摘要：

The neurotransmitter dopamine is central to the emerging discipline of neuroeconomics; it is hypothesized to encode the difference between expected and realized rewards and thereby to mediate belief formation and choice. We develop the first formal tests of this theory of dopaminergic function, based on a recent axiomatization by Caplin and Dean (Quarterly Journal of Economics, 123 (2008), 663-702). These tests are satisfied by neural activity in the nucleus accumbens, an area rich in dopamine receptors. We find evidence for separate positive and negative reward prediction error signals, suggesting that behavioral asymmetries in responses to losses and gains may parallel asymmetries in nucleus accumbens activity.

引用

页码：923 / 960

页数：38

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