Visual fixations and the computation and comparison of value in simple choice

被引：920

作者：

Krajbich, Ian ^{[1
]}

Armel, Carrie ^{[2
]}

Rangel, Antonio ^{[1
]}

机构：

[1] CALTECH, Div Humanities & Social Sci, Pasadena, CA 91125 USA

[2] Stanford Univ, Precourt Inst Energy Efficiency, Palo Alto, CA 94304 USA

来源：

NATURE NEUROSCIENCE | 2010年 / 13卷 / 10期

关键词：

PERCEPTUAL DECISION-MAKING; 2-CHOICE REACTION-TIME; ORBITOFRONTAL CORTEX; SENSORY STIMULI; FIELD-THEORY; NEURAL BASIS; AREA LIP; MODELS; BEHAVIOR; MICROSTIMULATION;

D O I：

10.1038/nn.2635

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Most organisms facing a choice between multiple stimuli will look repeatedly at them, presumably implementing a comparison process between the items' values. Little is known about the nature of the comparison process in value-based decision-making or about the role of visual fixations in this process. We created a computational model of value-based binary choice in which fixations guide the comparison process and tested it on humans using eye-tracking. We found that the model can quantitatively explain complex relationships between fixation patterns and choices, as well as several fixation-driven decision biases.

引用

页码：1292 / 1298

页数：7

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